WHELEN ENGINEERING COMPANY, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 2882
 
  
 
1005 INSTRUMENTS, APPARATUS AND DEVICES FOR CHECKING, SECURITY OR TESTING185
 
  
 
B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL 1648
 
  
 
F21S NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF 749
 
  
 
F21Y INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L, F21S and F21V, RELATING TO THE FORM OF THE LIGHT SOURCES 530
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 3202
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 391
 
  
 
2699 MISCELLANEOUS329
 
  
 
F21W INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS 216
 
  
 
2606 LUMINOUS DEVICES FOR VEHICLES234

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9821702 Warning light assemblyJan 20, 15Nov 21, 17[B60Q]
9738217 Modular vehicle lightOct 17, 14Aug 22, 17[F21V, F21Y, B60Q, F21S]
9611993 Warning light with tinted lensMay 19, 15Apr 04, 17[F21Y, G02B, F21S]
9605834 LED light assemblyJun 13, 14Mar 28, 17[F21V, F21Y, B60Q]
9528679 Wide angle optical system for LED arrayOct 19, 15Dec 27, 16[F21V, F21W, F21Y, G02B, B60Q, F21S]
9523480 LED illumination assembly with collimating opticApr 05, 14Dec 20, 16[F21V, F21Y]
9505342 Compact multi-function LED lightheadMar 14, 14Nov 29, 16[B60Q, F21S]
9459436 Linear LED optical assembly for emitting collimated lightSep 14, 12Oct 04, 16[F21V, F21W, F21Y, G02B]
9441808 Asymmetrical optical systemApr 29, 13Sep 13, 16[F21V, F21W, F21Y]
9388961 Asymmetrical optical systemApr 29, 13Jul 12, 16[F21V, F21W, F21Y]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0201,486 Stacked Heatsink AssemblyAbandonedJan 16, 15Jul 16, 15[H05K]
2013/0234,618 Single Input Power Wire - Multi Function ControlAbandonedMar 09, 13Sep 12, 13[H05B]
8201974 Pan-tilt spotlightExpiredMar 09, 10Jun 19, 12[F21S]
2012/0147,585 Telescopic Light Pole SystemAbandonedDec 09, 10Jun 14, 12[F21V]
7821380 Compact warning lightExpiredSep 20, 07Oct 26, 10[G08B]
7804420 Light assembly with shielding device and visibility windowExpiredJan 04, 08Sep 28, 10[G08B]
7712931 Sweep collimatorExpiredJul 18, 07May 11, 10[F21V]
2010/0110,708 Rack mounted warning lightAbandonedNov 06, 08May 06, 10[B60Q]
7611269 Snap bracket locking deviceExpiredFeb 20, 08Nov 03, 09[B60Q]
7611270 Lighthead mounting structureExpiredSep 07, 07Nov 03, 09[B60Q]
2008/0232,129 Lightbar with enhanced thermal transferAbandonedMar 14, 07Sep 25, 08[B60Q]
7404658 Light bar snap bracket assemblyExpiredJul 19, 07Jul 29, 08[B60Q]
2007/0164,875 LED aircraft anticollision beaconAbandonedJul 14, 06Jul 19, 07[G09F, B64D]
7118261 White position taillight for aircraftExpiredNov 21, 03Oct 10, 06[F21S]
RE38795 Pattern selection method and apparatusExpiredJan 27, 03Sep 13, 05[G08B]
6851835 Large area shallow-depth full-fill LED light assemblyExpiredDec 17, 02Feb 08, 05[F21V]
6844808 Method and apparatus for detection of warning system breachExpiredApr 22, 03Jan 18, 05[G08B]
6789912 Modular rotatable warning lightExpiredSep 23, 02Sep 14, 04[F21V]
2004/0074,581 Apparatus and method for assembling electronic components to a printed circuit boardAbandonedOct 18, 02Apr 22, 04[C09J, B05C, B32B]
6722776 Light bar and method of assembly thereforExpiredDec 18, 01Apr 20, 04[B60Q]

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