LEOTEK ELECTRONICS CORPORATION

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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 10100
 
  
 
G09F DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS 435
 
  
 
F21S NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF 254
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 292
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 2131
 
  
 
F21L LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION 117
 
  
 
F21W INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS 117
 
  
 
F21Y INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L, F21S and F21V, RELATING TO THE FORM OF THE LIGHT SOURCES 134
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9341351 Universal mounting system for pole mounted area lightsApr 15, 13May 17, 16[F21V, F21L, F21S]
8833978 Traffic signal light deviceOct 19, 12Sep 16, 14[F21V, F21W, F21Y, G02B]
8573818 Luminaire with rotating and removable doorFeb 01, 11Nov 05, 13[F21V]
8511865 LED luminaire light redirection shieldMay 09, 11Aug 20, 13[F21V]
8111011 LED luminaire with improved life and operation managementJan 10, 08Feb 07, 12[H05B]
7488086 Retrofitting of fluorescent tubes with light-emitting diode (LED) modules for various signs and lighting applicationsApr 02, 07Feb 10, 09[F21V, H01R, F21S]
7434968 Traffic signal lamp assembly and method of replacing sameSep 08, 06Oct 14, 08[F21V]
7347706 Light emitting diode (LED) based street light and other lighting applicationsJul 12, 06Mar 25, 08[H01R]
7303309 Method and apparatus for backlit signs with light emitting diode modulesJul 06, 04Dec 04, 07[F21V]
6911915 Compact light emitting diode retrofit lamp and method for traffic signal lightsMay 30, 03Jun 28, 05[G09F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0107,517 LIGHT EMITTING DIODE BULBAbandonedNov 01, 11May 02, 13[F21V]
2012/0307,495 OPTICAL LENS AND OPTICAL LENS PLATEAbandonedJun 06, 11Dec 06, 12[F21V]
2011/0038,153 Led lamp and cooling method thereofAbandonedSep 08, 09Feb 17, 11[F21S]
2011/0032,697 LED lighting device module and LED lighting deviceAbandonedSep 04, 09Feb 10, 11[F21L]
7461947 LED tube lights with clear bottom baseExpiredJul 11, 06Dec 09, 08[F21V]
2007/0247,856 Lighting unit reflectorAbandonedApr 04, 07Oct 25, 07[F21V]
7172324 Internally illuminated light panel with LED modules having light redirecting devicesExpiredJan 03, 05Feb 06, 07[]
6761471 Method and apparatus for retrofitting backlit signs with light emitting diode modulesExpiredMay 30, 03Jul 13, 04[F21V]
6111739 LED power supply with temperature compensationExpiredAug 11, 99Aug 29, 00[H02H]
D373387 Light emitting diode open signExpiredOct 31, 95Sep 03, 96[]

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