Wheelock, Inc.

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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 2668
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 4107
 
  
 
B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL 163
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 1109
 
  
 
G01W METEOROLOGY 115
 
  
 
G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR 196
 
  
 
G10H ELECTROPHONIC MUSICAL INSTRUMENTS 130
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132
 
  
 
H02B BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER 134
 
  
 
H03F AMPLIFIERS 182

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8717168 Method and apparatus for providing an ASIC controlled alarm unitNov 08, 10May 06, 14[G08B]
8675886 Method and apparatus for providing a splitter in a notification systemOct 18, 04Mar 18, 14[H04B]
8585435 Contact cover and shunt for notification appliance mounting plates and method for installationAug 16, 10Nov 19, 13[H01R]
8107595 Supervised paging, messaging background music and emergency voice evacuation systemDec 01, 05Jan 31, 12[H04M]
8026828 Method and apparatus for providing a notification appliance with a light emitting diodeSep 14, 09Sep 27, 11[G08B]
8026829 Method and apparatus for providing a notification appliance with a light emitting diodeSep 14, 09Sep 27, 11[G08B]
7907047 Apparatus and method for synchronizing visual/audible alarm units in an alarm systemJul 15, 08Mar 15, 11[G08B]
7830252 Method and apparatus for providing an ASIC controlled alarm unitAug 28, 03Nov 09, 10[G08B]
7663500 Method and apparatus for providing a notification appliance with a light emitting diodeApr 01, 05Feb 16, 10[G08B]
7403096 Apparatus and method for synchronizing visual/audible alarm units in an alarm systemJun 02, 06Jul 22, 08[G08B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8457330 Method and apparatus for boosting an audible signal in a notification systemExpiredSep 16, 08Jun 04, 13[H03F]
7428311 Method and apparatus for boosting an audible signal in a notification systemExpiredDec 19, 02Sep 23, 08[H03F]
D374635 Cover for an audible-visual alarmExpiredAug 14, 95Oct 15, 96[]
5121033 Strobe circuit utilizing optocoupler in DC-to-DC converterExpiredDec 28, 90Jun 09, 92[H05B]
D315112 Alarm signal coverExpiredMar 30, 88Mar 05, 91[]
4970490 Motor bell alarmExpiredJan 26, 90Nov 13, 90[G08B, G10K]
4967177 Audiovisual signaling device and methodExpiredSep 11, 89Oct 30, 90[G08B]
4274084 Audio-visual signal circuitsExpiredOct 26, 79Jun 16, 81[G08B]
4258332 Loudspeaker amplifierExpiredMar 29, 79Mar 24, 81[H03F]

Top Inventors for This Owner

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