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C & K SYSTEMS INC

Overview
  • Total Patents
    64
About

C & K SYSTEMS INC has a total of 64 patent applications. Its first patent ever was published in 1984. It filed its patents most often in United States, Australia and EPO (European Patent Office). Its main competitors in its focus markets control, measurement and telecommunications are FIRETEK CORP, RACAL SECURITY LTD and SPRUE SAFETY PRODUCTS LTD.

Patent filings per year

Chart showing C & K SYSTEMS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wallace John D 7
#2 Rickman Stephen A 6
#3 Johnson Richard Adam 5
#4 Johnson Richard A 5
#5 Whiting Gordon S 5
#6 Mousavi Ali Reza 3
#7 Hoseit Paul M 3
#8 Mckenney David I 3
#9 Micko Eric S 3
#10 Eggers Frederick W 3

Latest patents

Publication Filing date Title
AU4706200A Glass-break detector and method of alarm discrimination
CA2236813A1 A system for absorbing and/or scattering superfluous radiation in an optical motion sensor
US6121876A System for absorbing and or scattering superfluous radiation in an optical motion sensor
WO9944020A1 Pyroelectric detector feedback amplifier low frequency response
US5969506A Apparatus and method for rapid bulk charging of a lead acid battery
US5818337A Masked passive infrared intrusion detection device and method of operation therefore
US5583523A Planar microwave tranceiver employing shared-ground-plane antenna
US5578988A Intrusion detection system having self-adjusting threshold
US5473311A Method and apparatus to distinguish human intruder and animal intruder
US5524099A Intrusion detector operating mode selection system
US5471195A Direction-sensing acoustic glass break detecting system
US5499012A Intrusion detector test circuit which automatically disables a detected-event indicator
US5491467A Location independent intrusion detection system
CA2113026A1 Methods and apparatus for intrusion detection having improved immunity to false alarms
US5438869A Protective reed switch housing
US5377049A Method of making a segmented focusing mirror
US5395263A Dual battery holder
GB9300026D0 Improvements in or relating to antennas
US5323141A Glass break sensor having reduced false alarm probability for use with intrusion alarms
US5376919A Vehicle intrusion detector