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Andrew Joseph Gardner
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Louisville, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Minimizing DC bias voltage difference across AC-blocking capacitors...
Patent number
11,418,369
Issue date
Aug 16, 2022
Analog Devices International Unlimited Company
Andrew J. Gardner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
PoDL powered device with active rectifier bridge to obviate the nee...
Patent number
11,394,315
Issue date
Jul 19, 2022
Analog Devices International Unlimited Company
Andrew J. Gardner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
PoDL powered device with active rectifier bridge and shunting switch
Patent number
11,309,804
Issue date
Apr 19, 2022
Analog Devices International Unlimited Company
Andrew J. Gardner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Power over data lines system with combined dc coupling and common m...
Patent number
11,290,291
Issue date
Mar 29, 2022
Analog Devices International Unlimited Company
Andrew Gardner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Active gyrator circuit in one-pair ethernet with PoDL
Patent number
11,038,490
Issue date
Jun 15, 2021
Analog Devices International Unlimited Company
Andrew J. Gardner
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power over ethernet using shielded single twisted wire pair
Patent number
10,868,680
Issue date
Dec 15, 2020
Analog Devices International Unlimited Company
Andrew J. Gardner
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Galvanic barrier coupler for intrinsically safe power over data lin...
Patent number
10,763,919
Issue date
Sep 1, 2020
Analog Devices International Unlimited Company
Andrew J. Gardner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fault-tolerant power network
Patent number
10,547,206
Issue date
Jan 28, 2020
Linear Technology Corporation
Heath Stewart
G05 - CONTROLLING REGULATING
Information
Patent Grant
Communications system using hybrid common mode choke and kelvin sen...
Patent number
10,444,823
Issue date
Oct 15, 2019
Linear Technology Corporation
Andrew J. Gardner
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Common mode noise attenuation techniques for twisted wire pair
Patent number
10,404,502
Issue date
Sep 3, 2019
Linear Technology LLC
Andrew J. Gardner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Communications system using hybrid common mode choke and kelvin sen...
Patent number
10,382,005
Issue date
Aug 13, 2019
Linear Technology Corporation
Andrew J. Gardner
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power over data lines system with redundant power connections
Patent number
10,313,139
Issue date
Jun 4, 2019
Linear Technology Corporation
David M. Dwelley
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Circuit architectures for protecting against PoDL wire faults
Patent number
10,090,666
Issue date
Oct 2, 2018
Linear Technology Corporation
Andrew J. Gardner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Detecting ground isolation fault in ethernet PoDL system
Patent number
9,967,104
Issue date
May 8, 2018
Linear Technology Corporation
Andrew J. Gardner
B60 - VEHICLES IN GENERAL
Information
Patent Grant
System with sleep and wake up control over DC path
Patent number
9,860,072
Issue date
Jan 2, 2018
Linear Technology Corporation
Andrew J. Gardner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
PoDL system with active dV/dt and dI/dt control
Patent number
9,853,838
Issue date
Dec 26, 2017
Linear Technology Corporation
Andrew J. Gardner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
1-wire bus PD detection and classification scheme for ethernet PoDL
Patent number
9,851,772
Issue date
Dec 26, 2017
Linear Technology Corporation
David Dwelley
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Broadband power coupling/decoupling network for PoDL
Patent number
9,780,974
Issue date
Oct 3, 2017
Linear Technology Corporation
Andrew J. Gardner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Adjustable current limit switching regulator with constant loop gain
Patent number
8,786,265
Issue date
Jul 22, 2014
Linear Technology Corporation
Gregory J. Manlove
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Efficiency measuring circuit for DC-DC converter which calculates i...
Patent number
8,278,895
Issue date
Oct 2, 2012
Linear Technology Corporation
Andrew Joseph Gardner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Dynamically-compensated controller
Patent number
8,143,871
Issue date
Mar 27, 2012
Linear Technology Corporation
Andrew Joseph Gardner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Bootstrapped switch for sampling voltages beyond the supply voltage
Patent number
7,940,091
Issue date
May 10, 2011
Linear Technology Corporation
Srikanth Govindarajulu
G11 - INFORMATION STORAGE
Information
Patent Grant
Bandgap curvature correction and post-package trim implemented ther...
Patent number
7,420,359
Issue date
Sep 2, 2008
Linear Technology Corporation
Michael B. Anderson
G05 - CONTROLLING REGULATING
Information
Patent Grant
Non-perturbing power supply margin controller
Patent number
7,382,303
Issue date
Jun 3, 2008
Linear Technology Corporation
Matthew J. Maloney
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
ISOLATED TRANSCEIVER FOR POWER OVER ETHERNET
Publication number
20220321366
Publication date
Oct 6, 2022
Michael T. Paul
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PODL POWERED DEVICE WITH ACTIVE RECTIFIER BRIDGE TO OBVIATE THE NEE...
Publication number
20210104953
Publication date
Apr 8, 2021
Analog Devices International Unlimited Company
Andrew J. Gardner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
MINIMIZING DC BIAS VOLTAGE DIFFERENCE ACROSS AC-BLOCKING CAPACITORS...
Publication number
20210036897
Publication date
Feb 4, 2021
Analog Devices International Unlimited Company
Andrew J. Gardner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
PODL POWERED DEVICE WITH ACTIVE RECTIFIER BRIDGE AND SHUNTING SWITCH
Publication number
20200358368
Publication date
Nov 12, 2020
Analog Devices International Unlimited Company
Andrew J. Gardner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ACTIVE GYRATOR CIRCUIT IN ONE-PAIR ETHERNET WITH PODL
Publication number
20200304106
Publication date
Sep 24, 2020
Analog Devices International Unlimited Company
Andrew J. Gardner
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
GALVANIC BARRIER COUPLER FOR INTRINSICALLY SAFE POWER OVER DATA LIN...
Publication number
20200266854
Publication date
Aug 20, 2020
Analog Devices International Unlimited Company
Andrew J. Gardner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER OVER DATA LINES SYSTEM WITH COMBINED DC COUPLING AND COMMON M...
Publication number
20200044875
Publication date
Feb 6, 2020
Linear Technology Holding LLC
Andrew Gardner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Power over Ethernet Using Shielded Single Twisted Wire Pair
Publication number
20190068385
Publication date
Feb 28, 2019
Linear Technology Holding LLC
Andrew J. Gardner
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMMON MODE NOISE ATTENUATION TECHNIQUES FOR TWISTED WIRE PAIR
Publication number
20180254931
Publication date
Sep 6, 2018
Linear Technology LLC
Andrew J. Gardner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FAULT-TOLERANT POWER NETWORK
Publication number
20180115191
Publication date
Apr 26, 2018
Linear Technology Corporation
Heath Stewart
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
COMMUNICATIONS SYSTEM USING HYBRID COMMON MODE CHOKE AND KELVIN SEN...
Publication number
20180026525
Publication date
Jan 25, 2018
Linear Technology Corporation
Andrew J. Gardner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
COMMUNICATIONS SYSTEM USING HYBRID COMMON MODE CHOKE AND KELVIN SEN...
Publication number
20180024620
Publication date
Jan 25, 2018
Linear Technology Corporation
Andrew J. Gardner
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
POWER OVER DATA LINES SYSTEM WITH REDUNDANT POWER CONNECTIONS
Publication number
20170310491
Publication date
Oct 26, 2017
Linear Technology Corporation
David M. Dwelley
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM WITH SLEEP AND WAKE UP CONTROL OVER DC PATH
Publication number
20160337138
Publication date
Nov 17, 2016
Linear Technology Corporation
Andrew J. Gardner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ACCURATELY DETECTING LOW CURRENT THRESHOLD
Publication number
20160261255
Publication date
Sep 8, 2016
Linear Technology Corporation
Andrew Joseph Gardner
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CIRCUIT ARCHITECTURES FOR PROTECTING AGAINST PoDL WIRE FAULTS
Publication number
20160156173
Publication date
Jun 2, 2016
Linear Technology Corporation
Andrew J. Gardner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DETECTING GROUND ISOLATION FAULT IN ETHERNET PoDL SYSTEM
Publication number
20160142217
Publication date
May 19, 2016
Linear Technology Corporation
Andrew J. Gardner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
1-WIRE BUS PD DETECTION AND CLASSIFICATION SCHEME FOR ETHERNET PoDL
Publication number
20160054777
Publication date
Feb 25, 2016
Linear Technology Corporation
David Dwelley
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PoDL SYSTEM WITH ACTIVE dV/dt and dI/dt CONTROL
Publication number
20150333935
Publication date
Nov 19, 2015
Linear Technology Corporation
Andrew J. Gardner
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
BROADBAND POWER COUPLING/DECOUPLING NETWORK FOR PoDL
Publication number
20150295735
Publication date
Oct 15, 2015
Linear Technology Corporation
Andrew J. Gardner
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
EFFICIENCY MEASURING CIRCUIT FOR DC-DC CONVERTER WHICH CALCULATES I...
Publication number
20110156687
Publication date
Jun 30, 2011
Linear Technology Corporation
Andrew Joseph Gardner
G01 - MEASURING TESTING
Information
Patent Application
ADJUSTABLE CURRENT LIMIT SWITCHING REGULATOR WITH CONSTANT LOOP GAIN
Publication number
20100320974
Publication date
Dec 23, 2010
Linear Technology Corp.
Gregory J. Manlove
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER