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WHEELOCK INC

Overview
  • Total Patents
    69
About

WHEELOCK INC has a total of 69 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets control, electrical machinery and energy and audio-visual technology are SIMPLEXGRINNELL LP, CHENGDU INFOEASY TECHNOLOGY CORP and CHENGDU BOOSTOR TECHNOLOGY CO LTD.

Patent filings per year

Chart showing WHEELOCK INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kosich Joseph 41
#2 Curran John W 16
#3 Applegate Edward V 16
#4 Hur Inhong 9
#5 Bocan Kenneth J 6
#6 Keeney Shawn P 5
#7 Cappetta Victor 4
#8 Becker Thurman 4
#9 Nicol John James 3
#10 Tarlton Peter B 3

Latest patents

Publication Filing date Title
CN101427286A Method and apparatus for providing a notification appliance with a light emitting diode
US2005035851A1 Method and apparatus for providing an ASIC controlled alarm unit
US6906616B1 Apparatus and method for synchronizing visual/audible alarm units in an alarm system
US2003169177A1 Method and apparatus for boosting an audible signal in a notification system
EP1196825A2 Method and apparatus for supervising an audio circuit with continuous audio
US6462665B1 Method and apparatus for sending a weather condition alert
US6311021B1 Multi-candela alarm unit
US6411201B1 Strobe alarm with strobe intensity selector switch
US6194994B1 Apparatus and method for synchronizing visual/audible alarm units in an alarm system
CA2237387A1 Audible and audible-visible alarms with interchangeable cover
US6217196B1 Strobe light system
US5969627A Audible and audible-visible alarms with interchangeable cover
US5673030A Zero inrush alarm circuit
US5684467A Universal mounting plate for audible-visual alarms
US5608375A Synchronized visual/audible alarm system
US5446349A Strobe circuit utilizing optocoupler in DC-to-DC converter
CA2118681A1 Adjustable strobe with temperature stabilization
CA2118682A1 Strobe warning light
US5400009A Synchronization circuit for visual/audio alarms
US5475361A Strobe warning light