C & K SYSTEMS, INC

Organization

SANTA CLARA, CA, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
System for absorbing and or scattering superfluous radiation in an...
- Patent number 6,121,876
- Issue date Sep 19, 2000
- C & K Systems, Inc.
- David I. McKenney
- G08 - SIGNALLING
Information Patent Grant
Apparatus and method for rapid bulk charging of a lead acid battery
- Patent number 5,969,506
- Issue date Oct 19, 1999
- C & K Systems, Inc.
- Martin Neal
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Masked passive infrared intrusion detection device and method of op...
- Patent number 5,818,337
- Issue date Oct 6, 1998
- C & K Systems, Inc.
- Fernando Erismann
- G08 - SIGNALLING
Information Patent Grant
Methods and apparatus for intrusion detection having improved immun...
- Patent number 5,581,236
- Issue date Dec 3, 1996
- C & K Systems, Inc.
- Paul M. Hoseit
- G08 - SIGNALLING
Information Patent Grant
Intrusion detection system having self-adjusting threshold
- Patent number 5,578,988
- Issue date Nov 26, 1996
- C & K Systems, Inc.
- Paul Hoseit
- G08 - SIGNALLING
Information Patent Grant
Intrusion detector operating mode selection system
- Patent number 5,524,099
- Issue date Jun 4, 1996
- C & K Systems, Inc.
- Stephen A. Rickman
- G08 - SIGNALLING
Information Patent Grant
Intrusion detector test circuit which automatically disables a dete...
- Patent number 5,499,012
- Issue date Mar 12, 1996
- C & K Systems, Inc.
- Lawrence Tracy
- G08 - SIGNALLING
Information Patent Grant
Location independent intrusion detection system
- Patent number 5,491,467
- Issue date Feb 13, 1996
- C & K Systems, Inc.
- Lawrence R. Tracy
- G08 - SIGNALLING
Information Patent Grant
Methods and apparatus for intrusion detection having improved immun...
- Patent number 5,475,365
- Issue date Dec 12, 1995
- C & K Systems, Inc.
- Paul M. Hoseit
- G08 - SIGNALLING
Information Patent Grant
Method and apparatus to distinguish human intruder and animal intruder
- Patent number 5,473,311
- Issue date Dec 5, 1995
- C & K Systems, Inc.
- Paul Hoseit
- G08 - SIGNALLING
Information Patent Grant
Direction-sensing acoustic glass break detecting system
- Patent number 5,471,195
- Issue date Nov 28, 1995
- C & K Systems, Inc.
- Stephen A. Rickman
- G08 - SIGNALLING
Information Patent Grant
Protective reed switch housing
- Patent number 5,438,869
- Issue date Aug 8, 1995
- C & K Systems, Inc.
- Dennis R. Mueller
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dual battery holder
- Patent number 5,395,263
- Issue date Mar 7, 1995
- C & K Systems, Inc.
- Donald Sandell
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Infra-red intruder detector
- Patent number D354925
- Issue date Jan 31, 1995
- C & K Systems, Inc.
- Frederick W. Eggers
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Vehicle intrusion detector
- Patent number 5,376,919
- Issue date Dec 27, 1994
- C & K Systems, Inc.
- Stephen A. Rickman
- G08 - SIGNALLING
Information Patent Grant
Planar microwave transceiver employing shared-ground-plane antenna
- Patent number 5,371,509
- Issue date Dec 6, 1994
- C & K Systems, Inc.
- Walter B. Wallace
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pressure actuated glass break simulator
- Patent number 5,341,122
- Issue date Aug 23, 1994
- C & K Systems, Inc.
- Stephen R. Rickman
- G08 - SIGNALLING
Information Patent Grant
Glass break sensor having reduced false alarm probability for use w...
- Patent number 5,323,141
- Issue date Jun 21, 1994
- C & K Systems, Inc.
- Tom R. Petek
- G08 - SIGNALLING
Information Patent Grant
Protective reed switch housing
- Patent number 5,254,965
- Issue date Oct 19, 1993
- C & K Systems, Inc.
- Donald R. Sandell
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sensor for detecting the passage of a person or an animal in a fiel...
- Patent number 5,196,826
- Issue date Mar 23, 1993
- C & K Systems, Inc.
- Gordon S. Whiting
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Audio intrusion detection system
- Patent number 5,164,703
- Issue date Nov 17, 1992
- C & K Systems, Inc.
- Stephen A. Rickman
- G08 - SIGNALLING
Information Patent Grant
Infrared detector mirror
- Patent number D328875
- Issue date Aug 25, 1992
- C & K Systems, Inc.
- Joseph R. Perkins
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Wide angle ceiling mounted passive infrared intrusion detection system
- Patent number 5,089,704
- Issue date Feb 18, 1992
- C & K Systems, Inc.
- Joseph R. Perkins
- G08 - SIGNALLING
Information Patent Grant
Ceiling mount microwave transceiver with 360 degree radiation pattern
- Patent number 5,023,594
- Issue date Jun 11, 1991
- C & K Systems, Inc.
- John D. Wallace
- G01 - MEASURING TESTING
Information Patent Grant
360 degree field of view optical sensing device
- Patent number 5,017,783
- Issue date May 21, 1991
- C & K Systems, Inc.
- Ali R. Mousavi
- G08 - SIGNALLING
Information Patent Grant
Intrusion detector unit
- Patent number D307245
- Issue date Apr 17, 1990
- C & K Systems, Inc.
- Jack Biersdorff
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Intrusion detection system and a method therefor
- Patent number 4,882,567
- Issue date Nov 21, 1989
- C & K Systems, Inc.
- Richard A. Johnson
- G08 - SIGNALLING
Information Patent Grant
Infrared intrusion detection system incorporating a fresnel lens an...
- Patent number 4,841,284
- Issue date Jun 20, 1989
- C & K Systems, Inc.
- Jack L. Biersdorff
- G08 - SIGNALLING
Information Patent Grant
Fault detecting intrusion detection device
- Patent number 4,710,750
- Issue date Dec 1, 1987
- C & K Systems, Inc.
- Richard A. Johnson
- G08 - SIGNALLING
Information Patent Grant
Detector housing
- Patent number D281765
- Issue date Dec 17, 1985
- C & K Systems Inc.
- Jack P. Hall
- D10 - Measuring, testing, or signalling instruments

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Trademarklast 30 trademarks

Information Trademark
75210452 - INTELLIFIRE
- Serial number 75210452
- Filing date Dec 9, 1996
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75058580 - FIRECARE
- Serial number 75058580
- Filing date Feb 15, 1996
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74727034 - VALIDATOR
- Serial number 74727034
- Registration number 2072587
- Filing date Sep 11, 1995
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74711961 - TRINITY
- Serial number 74711961
- Registration number 2105768
- Filing date Aug 7, 1995
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74711941 - SIERRA
- Serial number 74711941
- Registration number 2063943
- Filing date Aug 7, 1995
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74705064 - SUPERTEC
- Serial number 74705064
- Registration number 2042787
- Filing date Jul 24, 1995
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74705062 - THE POWER OF WIRELESS
- Serial number 74705062
- Registration number 2011668
- Filing date Jul 24, 1995
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74705063 - GLOBAL SECURITY TECHNOLOGY
- Serial number 74705063
- Registration number 2066238
- Filing date Jul 24, 1995
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74585047 - INTELLIVISION
- Serial number 74585047
- Registration number 2236918
- Filing date Oct 12, 1994
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74572380 - DUAL TEC "A.I."
- Serial number 74572380
- Filing date Sep 12, 1994
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74572364 - DUAL TEC MINI-TEK
- Serial number 74572364
- Filing date Sep 12, 1994
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74543879 - BABY BELL
- Serial number 74543879
- Filing date Jun 30, 1994
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74520474 - M.S.L.T.
- Serial number 74520474
- Filing date May 6, 1994
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74500096 - M. A. P.
- Serial number 74500096
- Filing date Mar 10, 1994
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74498942 - MINI-TEK
- Serial number 74498942
- Filing date Mar 10, 1994
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74454216 - FLEXZONE
- Serial number 74454216
- Filing date Nov 4, 1993
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74420690 - CKURIT
- Serial number 74420690
- Filing date Aug 5, 1993
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74343856 - WE'RE SERIOUS ABOUT SECURITY
- Serial number 74343856
- Registration number 1834492
- Filing date Dec 28, 1992
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74313621 - SPREADNET
- Serial number 74313621
- Registration number 1873139
- Filing date Sep 14, 1992
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74283155 - FLEXGUARD
- Serial number 74283155
- Registration number 1762576
- Filing date Jun 9, 1992
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74088729 - DUAL TEC FLEX GUARD
- Serial number 74088729
- Registration number 1692630
- Filing date Aug 17, 1990
- C & K Systems, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73838186 - C & K SYSTEMS CKURITY CENTER
- Serial number 73838186
- Registration number 1619176
- Filing date Nov 13, 1989
- C&K SYSTEMS, INC.
- 42 - Scientific and technological services and research and design relating thereto
Information Trademark
73789035 - ECLIPSE COMMANDER
- Serial number 73789035
- Filing date Mar 27, 1989
- C&K SYSTEMS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73789036 - MONITOR ECLIPSE
- Serial number 73789036
- Filing date Mar 27, 1989
- C&K SYSTEMS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73736307 - DUALPLEX
- Serial number 73736307
- Registration number 1544229
- Filing date Jun 6, 1988
- C&K SYSTEMS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73736308 - COMMANDER
- Serial number 73736308
- Filing date Jun 6, 1988
- C&K SYSTEMS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73736306 - DUALTEC INFORMER SERIES
- Serial number 73736306
- Filing date Jun 6, 1988
- C&K SYSTEMS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73736309 - ECLIPSE MONITOR
- Serial number 73736309
- Filing date Jun 6, 1988
- C&K SYSTEMS, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

C & K SYSTEMS, INC

Organization

Patents Grantslast 30 patents

System for absorbing and or scattering superfluous radiation in an...

Apparatus and method for rapid bulk charging of a lead acid battery

Masked passive infrared intrusion detection device and method of op...

Methods and apparatus for intrusion detection having improved immun...

Intrusion detection system having self-adjusting threshold

Intrusion detector operating mode selection system

Intrusion detector test circuit which automatically disables a dete...

Location independent intrusion detection system

Methods and apparatus for intrusion detection having improved immun...

Method and apparatus to distinguish human intruder and animal intruder

Direction-sensing acoustic glass break detecting system

Protective reed switch housing

Dual battery holder

Infra-red intruder detector

Vehicle intrusion detector

Planar microwave transceiver employing shared-ground-plane antenna

Pressure actuated glass break simulator

Glass break sensor having reduced false alarm probability for use w...

Protective reed switch housing

Sensor for detecting the passage of a person or an animal in a fiel...

Audio intrusion detection system

Infrared detector mirror

Wide angle ceiling mounted passive infrared intrusion detection system

Ceiling mount microwave transceiver with 360 degree radiation pattern

360 degree field of view optical sensing device

Intrusion detector unit

Intrusion detection system and a method therefor

Infrared intrusion detection system incorporating a fresnel lens an...

Fault detecting intrusion detection device

Detector housing

Trademarklast 30 trademarks

75210452 - INTELLIFIRE

75058580 - FIRECARE

74727034 - VALIDATOR

74711961 - TRINITY

74711941 - SIERRA

74705064 - SUPERTEC

74705062 - THE POWER OF WIRELESS

74705063 - GLOBAL SECURITY TECHNOLOGY

74585047 - INTELLIVISION

74572380 - DUAL TEC "A.I."

74572364 - DUAL TEC MINI-TEK

74543879 - BABY BELL

74520474 - M.S.L.T.

74500096 - M. A. P.

74498942 - MINI-TEK

74454216 - FLEXZONE

74420690 - CKURIT

74343856 - WE'RE SERIOUS ABOUT SECURITY

74313621 - SPREADNET

74283155 - FLEXGUARD

74088729 - DUAL TEC FLEX GUARD

73838186 - C & K SYSTEMS CKURITY CENTER

73789035 - ECLIPSE COMMANDER

73789036 - MONITOR ECLIPSE

73736307 - DUALPLEX

73736308 - COMMANDER

73736306 - DUALTEC INFORMER SERIES

73736309 - ECLIPSE MONITOR