ENERGY FOCUS, 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 1397
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 10195
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 5106
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 4121
 
  
 
F21K LIGHT SOURCES NOT OTHERWISE PROVIDED FOR337
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 2131
 
  
 
2605 LAMPS, STANDARD LAMPS, CHANDELIERS, WALL AND CEILING FIXTURES, LAMPSHADES, REFLECTORS, PHOTOGRAPHIC AND CINEMATOGRAPHIC PROJECTOR LAMPS231
 
  
 
2699 MISCELLANEOUS230
 
  
 
A47F SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS, OR THE LIKE; PAYING COUNTERS131
 
  
 
B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE 156

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D809703 LED endcapSep 02, 16Feb 06, 18[2605]
D783198 LED endcapFeb 12, 16Apr 04, 17[2699]
D783199 LED endcapFeb 15, 16Apr 04, 17[2699]
9557044 LED lamp with dual mode operationMay 01, 15Jan 31, 17[F21V, H05B, F21K]
9204504 LED lamp systemSep 17, 12Dec 01, 15[H05B]
8956006 Elongated LED lamp for replacing a fluorescent lampAug 23, 11Feb 17, 15[F21V, H05B]
8870428 Elongated LED lighting arrangementJun 20, 12Oct 28, 14[F21V]
8847061 Method of making solar collector assemblies with optical concentrator encapsulantJun 11, 10Sep 30, 14[H01L, F24J, B29C, G02B]
8657476 Elongated LED lighting arrangementDec 22, 11Feb 25, 14[F21V]
8480276 Elongated lighting systemSep 09, 11Jul 09, 13[F21V, G02B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0113,076 LED LAMP WITH DUAL MODE OPERATIONAbandonedNov 26, 14Apr 21, 16[F21V, H05B, F21K, H01R]
2013/0279,202 Efficient Side-Light Distribution SystemAbandonedOct 22, 12Oct 24, 13[F21V]
2012/0086,411 Switching Power Supply Circuit with Reduced Total Harmonic DistortionAbandonedOct 11, 11Apr 12, 12[G05F]
2012/0063,160 Effiency and quality by applying light extraction means to the collection portion of a linear luminaireAbandonedAug 23, 11Mar 15, 12[F21V]
2012/0043,677 Method for Making a Combined Light Coupler and Light PipeAbandonedAug 23, 11Feb 23, 12[G02B]
2012/0044,675 Elongated LED LampAbandonedAug 23, 11Feb 23, 12[F21V]
2011/0304,296 Light-Powered Transmitter AssemblyAbandonedJun 09, 11Dec 15, 11[H01M]
2011/0140,915 Distributed Personalized Energy and Carbon Accounting and Feedback SystemAbandonedOct 14, 10Jun 16, 11[G08B, G08C]
2011/0038,145 LED Fixture with Passive CoolingAbandonedAug 11, 10Feb 17, 11[F21V]
2011/0030,778 Method of Passivating and Reducing Reflectance of a Photovoltaic CellAbandonedAug 06, 10Feb 10, 11[H01L]
2010/0275,999 Photovoltaic Conversion Assembly with Concentrating OpticsAbandonedMay 04, 10Nov 04, 10[H01L]
2010/0244,735 Lighting Device Supplying Temporally Appropriate LightAbandonedMar 26, 10Sep 30, 10[H05B]
7334945 Plug-and-socket hub arrangement for mounting light pipe to receive lightExpiredApr 16, 04Feb 26, 08[G02B]
2007/0247,835 Lighted Display Case with Remote Light SourceAbandonedApr 24, 06Oct 25, 07[A47F]
2007/0217,205 DURABLE FIBEROPTIC LIGHTING ARRANGEMENTAbandonedSep 19, 06Sep 20, 07[F21V]
2007/0134,409 Light-Pipe Arrangement with Reduced Fresnel-Reflection LossesAbandonedJan 25, 07Jun 14, 07[B05D]
7198398 Adjustable-aim light pipe fixtureExpiredJun 30, 05Apr 03, 07[A41F]
7194184 Light pipe with side-light extractionExpiredMar 10, 04Mar 20, 07[G02B]
7190863 Light-pipe arrangement with reduced fresnel-reflection lossesExpiredMar 10, 04Mar 13, 07[G02B]
7163329 Adjustable light pipe fixtureExpiredMar 04, 04Jan 16, 07[E04D]

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