BORG-WARNER SECURITY CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 292

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5406254 Alarm system with remote module and associated alarmNov 25, 92Apr 11, 95[G08B]
RE32468 Central station alarmFeb 12, 85Aug 04, 87[G08B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5243336 Relay supervision systemExpiredAug 22, 90Sep 07, 93[G05B]
5164702 Test apparatus and method for security systemExpiredDec 24, 90Nov 17, 92[G08B]
5162978 Frame support for sliding printed circuit boardsExpiredMay 06, 91Nov 10, 92[H01R]
4990888 Unitary alarm sensor and communication package for security alarm systemExpiredFeb 25, 86Feb 05, 91[G08B]
4956637 System for detecting irregular operation of switch state verification circuitExpiredApr 29, 88Sep 11, 90[G08B]
4952926 Selective clearing of latched circuitsExpiredApr 29, 88Aug 28, 90[G08B, H04Q]
4853685 Switch monitoring arrangement with remote adjustment capability having debounce circuitry for accurate state determinationExpiredApr 29, 88Aug 01, 89[G08B]
4850018 Security system with enhanced protection against compromisingExpiredJul 01, 86Jul 18, 89[H04K]
4742335 Sequential and/or random polling system with virtually instantaneous response timeExpiredJun 18, 86May 03, 88[G08B]
4658249 Data communication system with key data bit denoting significance of other data bitsExpiredMar 27, 85Apr 14, 87[H04Q]
4581605 System for displaying time-related occurrence of alarm-type eventsExpiredFeb 13, 84Apr 08, 86[G08B]
4563628 Supervision system for monitoring the condition of a battery and a series-connected fuseExpiredAug 24, 84Jan 07, 86[H02J]
4507652 Bidirectional, interactive fire detection systemExpiredMar 15, 84Mar 26, 85[G08B, H04Q]
4470047 Bidirectional, interactive fire detection systemExpiredFeb 04, 82Sep 04, 84[G08B]
4394655 Bidirectional, interactive fire detection systemExpiredMar 13, 81Jul 19, 83[G08B, H04Q]

Top Inventors for This Owner

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