GATEKEEPER SYSTEMS INC

Organization

ABBOTSFORD, CA

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Navigation systems and methods for wheeled objects
- Patent number 11,718,336
- Issue date Aug 8, 2023
- Gatekeeper Systems, Inc.
- Scott J. Carter
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dual magnetometer calibration
- Patent number 11,675,040
- Issue date Jun 13, 2023
- Gatekeeper Systems, Inc.
- Scott J. Carter
- G01 - MEASURING TESTING
Information Patent Grant
Anti-theft system that uses shopping cart location and vibration data
- Patent number 11,414,117
- Issue date Aug 16, 2022
- Gatekeeper Systems, Inc.
- Scott J. Carter
- G08 - SIGNALLING
Information Patent Grant
System for monitoring and controlling shopping cart usage
- Patent number 11,358,621
- Issue date Jun 14, 2022
- Gatekeeper Systems, Inc.
- Stephen E. Hannah
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Wheels for non-motorized vehicles
- Patent number 11,279,173
- Issue date Mar 22, 2022
- Gatekeeper Systems, Inc.
- John C. McKay
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
System for monitoring and controlling shopping cart usage
- Patent number 11,230,313
- Issue date Jan 25, 2022
- Gatekeeper Systems, Inc.
- Stephen E. Hannah
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Monitoring system capable of classifying items added to a shopping...
- Patent number 11,208,134
- Issue date Dec 28, 2021
- Gatekeeper Systems, Inc.
- Scott J. Carter
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Shopping cart monitoring using computer vision
- Patent number 11,203,370
- Issue date Dec 21, 2021
- Gatekeeper Systems, Inc.
- Scott J. Carter
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Estimating motion of wheeled carts
- Patent number 11,183,070
- Issue date Nov 23, 2021
- Gatekeeper Systems, Inc.
- Scott J. Carter
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Navigation systems for wheeled carts
- Patent number 10,858,024
- Issue date Dec 8, 2020
- Gatekeeper Systems, Inc.
- Scott J. Carter
- G01 - MEASURING TESTING
Information Patent Grant
Motorized cart retriever for monitoring cart status
- Patent number 10,745,040
- Issue date Aug 18, 2020
- Gatekeeper Systems, Inc.
- Stephen E. Hannah
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Navigation systems and methods for wheeled objects
- Patent number 10,730,541
- Issue date Aug 4, 2020
- Gatekeeper Systems, Inc.
- Scott J. Carter
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Estimating motion of wheeled carts
- Patent number 10,546,502
- Issue date Jan 28, 2020
- Gatekeeper Systems, Inc.
- Scott J. Carter
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Navigation systems for wheeled carts
- Patent number 10,232,869
- Issue date Mar 19, 2019
- Gatekeeper Systems, Inc.
- Scott J. Carter
- G01 - MEASURING TESTING
Information Patent Grant
Power generation systems and methods for wheeled objects
- Patent number 10,227,082
- Issue date Mar 12, 2019
- Gatekeeper Systems, Inc.
- Scott J. Carter
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Systems with buried antennas for bi-directional communication with...
- Patent number 10,219,136
- Issue date Feb 26, 2019
- Gatekeeper Systems, Inc.
- Stephen E Hannah
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Direction crossing detector for containment boundary
- Patent number 10,196,040
- Issue date Feb 5, 2019
- Gatekeeper Systems, Inc.
- Scott J. Carter
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Cart monitoring system with wheel assembly capable of visually sign...
- Patent number 10,189,494
- Issue date Jan 29, 2019
- Gatekeeper Systems, Inc.
- Stephen E. Hannah
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Monitoring usage or status of cart retrievers
- Patent number 10,124,821
- Issue date Nov 13, 2018
- Gatekeeper Systems, Inc.
- Stephen E. Hannah
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Low-energy consumption location of movable objects
- Patent number 10,101,458
- Issue date Oct 16, 2018
- Gatekeeper Systems, Inc.
- Scott J. Carter
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cart monitoring system capable of authorizing cart exit events
- Patent number 10,023,216
- Issue date Jul 17, 2018
- Gatekeeper Systems, Inc.
- Stephen E. Hannah
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Magnetometer and accelerometer calibration for cart navigation system
- Patent number 10,001,541
- Issue date Jun 19, 2018
- Gatekeeper Systems, Inc.
- Stephen E. Hannah
- G01 - MEASURING TESTING
Information Patent Grant
Cart monitoring system supporting unicast and multicast command tra...
- Patent number 9,963,162
- Issue date May 8, 2018
- Gatekeeper Systems, Inc.
- Stephen E. Hannah
- B60 - VEHICLES IN GENERAL
Information Patent Grant
System with wheel assembly that communicates with display unit of h...
- Patent number 9,914,470
- Issue date Mar 13, 2018
- Gatekeeper Systems, Inc.
- Stephen E. Hannah
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Direction crossing detector for containment boundary
- Patent number 9,845,072
- Issue date Dec 19, 2017
- Gatekeeper Systems, Inc.
- Scott J. Carter
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Zone-based command transmissions to cart wheel assemblies
- Patent number 9,783,218
- Issue date Oct 10, 2017
- Gatekeeper Systems, Inc.
- Stephen E. Hannah
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Wheel assembly and antenna design for cart tracking system
- Patent number 9,758,185
- Issue date Sep 12, 2017
- Gatekeeper Systems, Inc.
- Stephen E. Hannah
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Estimating motion of wheeled carts
- Patent number 9,731,744
- Issue date Aug 15, 2017
- Gatekeeper Systems, Inc.
- Scott J. Carter
- B60 - VEHICLES IN GENERAL
Information Patent Grant
System with handheld mobile control unit for controlling shopping c...
- Patent number 9,676,405
- Issue date Jun 13, 2017
- Gatekeeper Systems, Inc.
- Stephen E. Hannah
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Brake mechanism for a non-motorized wheeled vehicle
- Patent number 9,669,659
- Issue date Jun 6, 2017
- Gatekeeper Systems, Inc.
- John C. McKay
- B60 - VEHICLES IN GENERAL

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Patents Applicationslast 30 patents

Information Patent Application
SHOPPING BASKET MONITORING USING COMPUTER VISION AND MACHINE LEARNING
- Publication number 20240021057
- Publication date Jan 18, 2024
- Gatekeeper Systems, Inc.
- Narayanan V. Ramanathan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
WHEEL CAPABLE OF DETECTING DIRECTION OF ROTATION
- Publication number 20230078247
- Publication date Mar 16, 2023
- Gatekeeper Systems, Inc.
- Scott J. Carter
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM FOR MONITORING AND CONTROLLING SHOPPING CART USAGE
- Publication number 20230057163
- Publication date Feb 23, 2023
- Gatekeeper Systems, Inc.
- Stephen E. Hannah
- B60 - VEHICLES IN GENERAL
Information Patent Application
SHOPPING BASKET MONITORING USING COMPUTER VISION
- Publication number 20220194454
- Publication date Jun 23, 2022
- Gatekeeper Systems, Inc.
- Scott J. Carter
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM FOR MONITORING AND CONTROLLING SHOPPING CART USAGE
- Publication number 20220119027
- Publication date Apr 21, 2022
- Gatekeeper Systems, Inc.
- Stephen E. Hannah
- B60 - VEHICLES IN GENERAL
Information Patent Application
ESTIMATING MOTION OF WHEELED CARTS
- Publication number 20220108617
- Publication date Apr 7, 2022
- Gatekeeper Systems, Inc.
- Scott J. Carter
- B60 - VEHICLES IN GENERAL
Information Patent Application
SHOPPING CART MONITORING USING COMPUTER VISION
- Publication number 20210284223
- Publication date Sep 16, 2021
- Gatekeeper Systems, Inc.
- Scott J. Carter
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
NAVIGATION SYSTEMS FOR WHEELED CARTS
- Publication number 20210284217
- Publication date Sep 16, 2021
- Gatekeeper Systems, Inc.
- Scott J. Carter
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
SHOPPING CART MONITORING USING COMPUTER VISION
- Publication number 20210287013
- Publication date Sep 16, 2021
- Gatekeeper Systems, Inc.
- Scott J. Carter
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SELF-ADJUSTING CASTER ASSEMBLIES
- Publication number 20210229491
- Publication date Jul 29, 2021
- Gatekeeper Systems, Inc.
- John C. McKay
- B60 - VEHICLES IN GENERAL
Information Patent Application
SYSTEM FOR MONITORING AND CONTROLLING SHOPPING CART USAGE
- Publication number 20210221420
- Publication date Jul 22, 2021
- Gatekeeper Systems, Inc.
- Stephen E. Hannah
- B60 - VEHICLES IN GENERAL
Information Patent Application
MOTORIZED CART RETRIEVER FOR MONITORING CART STATUS
- Publication number 20210171083
- Publication date Jun 10, 2021
- Gatekeeper Systems, Inc.
- Stephen E. Hannah
- B60 - VEHICLES IN GENERAL
Information Patent Application
DUAL MAGNETOMETER CALIBRATION
- Publication number 20210141044
- Publication date May 13, 2021
- Gatekeeper Systems, Inc.
- Scott J. Carter
- G01 - MEASURING TESTING
Information Patent Application
NAVIGATION SYSTEMS AND METHODS FOR WHEELED OBJECTS
- Publication number 20200391780
- Publication date Dec 17, 2020
- Gatekeeper Systems, Inc.
- Scott J. Carter
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
ESTIMATING MOTION OF WHEELED CARTS
- Publication number 20200372803
- Publication date Nov 26, 2020
- Gatekeeper Systems, Inc.
- Scott J. Carter
- B60 - VEHICLES IN GENERAL
Information Patent Application
SHOPPING BASKET MONITORING USING COMPUTER VISION AND MACHINE LEARNING
- Publication number 20200079412
- Publication date Mar 12, 2020
- Gatekeeper Systems, Inc.
- Narayanan V. Ramanathan
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
WHEELS FOR NON-MOTORIZED VEHICLES
- Publication number 20200047551
- Publication date Feb 13, 2020
- Gatekeeper Systems, Inc.
- John C. McKay
- B60 - VEHICLES IN GENERAL
Information Patent Application
NAVIGATION SYSTEMS FOR WHEELED CARTS
- Publication number 20200017135
- Publication date Jan 16, 2020
- Gatekeeper Systems, Inc.
- Scott J. Carter
- G01 - MEASURING TESTING
Information Patent Application
LOW-ENERGY CONSUMPTION LOCATION OF MOVABLE OBJECTS
- Publication number 20190277972
- Publication date Sep 12, 2019
- Gatekeeper Systems, Inc.
- Scott J. Carter
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOTORIZED CART RETRIEVER FOR MONITORING CART STATUS
- Publication number 20190118845
- Publication date Apr 25, 2019
- Gatekeeper Systems, Inc.
- Stephen E. Hannah
- B60 - VEHICLES IN GENERAL
Information Patent Application
NAVIGATION SYSTEMS FOR WHEELED CARTS
- Publication number 20180257688
- Publication date Sep 13, 2018
- GATEKEEPER SYSTEMS, INC.
- Scott J. Carter
- G01 - MEASURING TESTING
Information Patent Application
ESTIMATING MOTION OF WHEELED CARTS
- Publication number 20180178822
- Publication date Jun 28, 2018
- GATEKEEPER SYSTEMS, INC.
- Scott J. Carter
- B60 - VEHICLES IN GENERAL
Information Patent Application
CART MONITORING SYSTEM CAPABLE OF AUTHORIZING CART EXIT EVENTS
- Publication number 20180154918
- Publication date Jun 7, 2018
- GATEKEEPER SYSTEMS, INC.
- Stephen E. Hannah
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
CART MONITORING SYSTEM WITH WHEEL ASSEMBLY CAPABLE OF VISUALLY SIGN...
- Publication number 20180141577
- Publication date May 24, 2018
- GATEKEEPER SYSTEMS, INC.
- Stephen E. Hannah
- B60 - VEHICLES IN GENERAL
Information Patent Application
DIRECTION CROSSING DETECTOR FOR CONTAINMENT BOUNDARY
- Publication number 20180118165
- Publication date May 3, 2018
- GATEKEEPER SYSTEMS, INC.
- Scott J. Carter
- B60 - VEHICLES IN GENERAL
Information Patent Application
NAVIGATION SYSTEMS AND METHODS FOR WHEELED OBJECTS
- Publication number 20180037246
- Publication date Feb 8, 2018
- GATEKEEPER SYSTEMS, INC.
- Scott J. Carter
- B60 - VEHICLES IN GENERAL
Information Patent Application
LOW-ENERGY CONSUMPTION LOCATION OF MOVABLE OBJECTS
- Publication number 20180024247
- Publication date Jan 25, 2018
- GATEKEEPER SYSTEMS, INC.
- Scott J. Carter
- G01 - MEASURING TESTING
Information Patent Application
POWER GENERATION SYSTEMS AND METHODS FOR WHEELED OBJECTS
- Publication number 20180009458
- Publication date Jan 11, 2018
- GATEKEEPER SYSTEMS, INC.
- Scott J. Carter
- B60 - VEHICLES IN GENERAL
Information Patent Application
SYSTEMS AND METHODS FOR MONITORING WHEELED VEHICLES USING RADIO FRE...
- Publication number 20170327142
- Publication date Nov 16, 2017
- GATEKEEPER SYSTEMS, INC.
- Stephen E. Hannah
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
SYSTEMS WITH BURIED ANTENNAS FOR BI-DIRECTIONAL COMMUNICATION WITH...
- Publication number 20170311120
- Publication date Oct 26, 2017
- GATEKEEPER SYSTEMS, INC.
- Stephen E Hannah
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

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Trademarklast 30 trademarks

Information Trademark
98480723 - PURCHEK
- Serial number 98480723
- Filing date Apr 2, 2024
- Gatekeeper Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
97178680 - G
- Serial number 97178680
- Filing date Dec 17, 2021
- Gatekeeper Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
97178688 - GATEKEEPER SYSTEMS
- Serial number 97178688
- Filing date Dec 17, 2021
- Gatekeeper Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
97071500 - G GATEKEEPER SYSTEMS
- Serial number 97071500
- Registration number 7328212
- Filing date Oct 12, 2021
- Gatekeeper Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
90678726 - STOREPORT
- Serial number 90678726
- Filing date Apr 28, 2021
- Gatekeeper Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
90339372 - GATEKEEPER SYSTEMS
- Serial number 90339372
- Registration number 7094091
- Filing date Nov 24, 2020
- Gatekeeper Systems, Inc.
- 45 - Legal services
Information Trademark
88037679 - ATHENA
- Serial number 88037679
- Registration number 6885089
- Filing date Jul 13, 2018
- Gatekeeper Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
87036585 - SMARTKEY
- Serial number 87036585
- Registration number 5239458
- Filing date May 13, 2016
- Gatekeeper Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
86829174 - G
- Serial number 86829174
- Registration number 5885619
- Filing date Nov 23, 2015
- Gatekeeper Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
86829168 - G GATEKEEPER SYSTEMS
- Serial number 86829168
- Registration number 5915094
- Filing date Nov 23, 2015
- Gatekeeper Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
85888972 - G
- Serial number 85888972
- Registration number 4439350
- Filing date Mar 28, 2013
- Gatekeeper Systems, Inc.
- 12 - Vehicles
Information Trademark
85884373 - SMARTKEY
- Serial number 85884373
- Registration number 4373946
- Filing date Mar 22, 2013
- Gatekeeper Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
85884397 - G GATEKEEPER SYSTEMS
- Serial number 85884397
- Registration number 4439292
- Filing date Mar 22, 2013
- Gatekeeper Systems, Inc.
- 12 - Vehicles
Information Trademark
85884380 - SMARTWHEEL
- Serial number 85884380
- Registration number 4403464
- Filing date Mar 22, 2013
- Gatekeeper Systems, Inc.
- 12 - Vehicles
Information Trademark
85884388 - GATEKEEPER SYSTEMS
- Serial number 85884388
- Registration number 4439291
- Filing date Mar 22, 2013
- Gatekeeper Systems, Inc.
- 12 - Vehicles
Information Trademark
85884231 - CARTKEY
- Serial number 85884231
- Registration number 4407133
- Filing date Mar 22, 2013
- Gatekeeper Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
85884245 - GS2
- Serial number 85884245
- Registration number 4407134
- Filing date Mar 22, 2013
- Gatekeeper Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
85884237 - CARTMANAGER
- Serial number 85884237
- Registration number 4425318
- Filing date Mar 22, 2013
- Gatekeeper Systems, Inc.
- 12 - Vehicles
Information Trademark
85882432 - GNET
- Serial number 85882432
- Registration number 4756431
- Filing date Mar 21, 2013
- Gatekeeper Systems, Inc.
- 35 - Advertising
Information Trademark
85882458 - NANOKEY
- Serial number 85882458
- Registration number 4756432
- Filing date Mar 21, 2013
- Gatekeeper Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
85846827 - CARTCONTROL
- Serial number 85846827
- Registration number 4424591
- Filing date Feb 11, 2013
- Gatekeeper Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
77310377 - CARTCONTROL+
- Serial number 77310377
- Registration number 3670079
- Filing date Oct 22, 2007
- Gatekeeper Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
77310324 - CARTCONTROL
- Serial number 77310324
- Registration number 3600493
- Filing date Oct 22, 2007
- Gatekeeper Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
77283546 - SMARTWHEEL
- Serial number 77283546
- Registration number 3697240
- Filing date Sep 19, 2007
- Gatekeeper Systems, Inc.
- 12 - Vehicles
Information Trademark
78380527 - STORM
- Serial number 78380527
- Filing date Mar 8, 2004
- Gatekeeper Systems Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
78380504 - VIPERFISH
- Serial number 78380504
- Registration number 3091113
- Filing date Mar 8, 2004
- Gatekeeper Systems Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
78380515 - MUSLBACH
- Serial number 78380515
- Filing date Mar 8, 2004
- Gatekeeper Systems Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76351632 - PURCHEK
- Serial number 76351632
- Registration number 2889636
- Filing date Dec 21, 2001
- GATEKEEPER SYSTEMS, LLC
- 12 - Vehicles
Information Trademark
75907008 - THE GATEKEEPER
- Serial number 75907008
- Registration number 2907453
- Filing date Feb 1, 2000
- Dyment Associates Marketing Ltd.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75599969 - GATEKEEPER
- Serial number 75599969
- Filing date Dec 4, 1998
- GATEKEEPER SYSTEMS, LLC
- 12 - Vehicles

GATEKEEPER SYSTEMS INC

Organization

Patents Grantslast 30 patents

Navigation systems and methods for wheeled objects

Dual magnetometer calibration

Anti-theft system that uses shopping cart location and vibration data

System for monitoring and controlling shopping cart usage

Wheels for non-motorized vehicles

System for monitoring and controlling shopping cart usage

Monitoring system capable of classifying items added to a shopping...

Shopping cart monitoring using computer vision

Estimating motion of wheeled carts

Navigation systems for wheeled carts

Motorized cart retriever for monitoring cart status

Navigation systems and methods for wheeled objects

Estimating motion of wheeled carts

Navigation systems for wheeled carts

Power generation systems and methods for wheeled objects

Systems with buried antennas for bi-directional communication with...

Direction crossing detector for containment boundary

Cart monitoring system with wheel assembly capable of visually sign...

Monitoring usage or status of cart retrievers

Low-energy consumption location of movable objects

Cart monitoring system capable of authorizing cart exit events

Magnetometer and accelerometer calibration for cart navigation system

Cart monitoring system supporting unicast and multicast command tra...

System with wheel assembly that communicates with display unit of h...

Direction crossing detector for containment boundary

Zone-based command transmissions to cart wheel assemblies

Wheel assembly and antenna design for cart tracking system

Estimating motion of wheeled carts

System with handheld mobile control unit for controlling shopping c...

Brake mechanism for a non-motorized wheeled vehicle

Patents Applicationslast 30 patents

SHOPPING BASKET MONITORING USING COMPUTER VISION AND MACHINE LEARNING

WHEEL CAPABLE OF DETECTING DIRECTION OF ROTATION

SYSTEM FOR MONITORING AND CONTROLLING SHOPPING CART USAGE

SHOPPING BASKET MONITORING USING COMPUTER VISION

SYSTEM FOR MONITORING AND CONTROLLING SHOPPING CART USAGE

ESTIMATING MOTION OF WHEELED CARTS

SHOPPING CART MONITORING USING COMPUTER VISION

NAVIGATION SYSTEMS FOR WHEELED CARTS

SHOPPING CART MONITORING USING COMPUTER VISION

SELF-ADJUSTING CASTER ASSEMBLIES

SYSTEM FOR MONITORING AND CONTROLLING SHOPPING CART USAGE

MOTORIZED CART RETRIEVER FOR MONITORING CART STATUS

DUAL MAGNETOMETER CALIBRATION

NAVIGATION SYSTEMS AND METHODS FOR WHEELED OBJECTS

ESTIMATING MOTION OF WHEELED CARTS

SHOPPING BASKET MONITORING USING COMPUTER VISION AND MACHINE LEARNING

WHEELS FOR NON-MOTORIZED VEHICLES

NAVIGATION SYSTEMS FOR WHEELED CARTS

LOW-ENERGY CONSUMPTION LOCATION OF MOVABLE OBJECTS

MOTORIZED CART RETRIEVER FOR MONITORING CART STATUS

NAVIGATION SYSTEMS FOR WHEELED CARTS

ESTIMATING MOTION OF WHEELED CARTS

CART MONITORING SYSTEM CAPABLE OF AUTHORIZING CART EXIT EVENTS

CART MONITORING SYSTEM WITH WHEEL ASSEMBLY CAPABLE OF VISUALLY SIGN...

DIRECTION CROSSING DETECTOR FOR CONTAINMENT BOUNDARY

NAVIGATION SYSTEMS AND METHODS FOR WHEELED OBJECTS

LOW-ENERGY CONSUMPTION LOCATION OF MOVABLE OBJECTS

POWER GENERATION SYSTEMS AND METHODS FOR WHEELED OBJECTS

SYSTEMS AND METHODS FOR MONITORING WHEELED VEHICLES USING RADIO FRE...

SYSTEMS WITH BURIED ANTENNAS FOR BI-DIRECTIONAL COMMUNICATION WITH...

Trademarklast 30 trademarks

98480723 - PURCHEK

97178680 - G

97178688 - GATEKEEPER SYSTEMS

97071500 - G GATEKEEPER SYSTEMS

90678726 - STOREPORT

90339372 - GATEKEEPER SYSTEMS

88037679 - ATHENA

87036585 - SMARTKEY

86829174 - G

86829168 - G GATEKEEPER SYSTEMS

85888972 - G

85884373 - SMARTKEY

85884397 - G GATEKEEPER SYSTEMS

85884380 - SMARTWHEEL

85884388 - GATEKEEPER SYSTEMS