LIGHT ENGINE LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 6199
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 5105
 
  
 
F21W INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS 117
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9175832 Faceted LED street lamp lensSep 16, 13Nov 03, 15[F21V, F21W, F21Y]
8931927 Faceted folded-optic collimatorJun 08, 12Jan 13, 15[F21V, G02B]
7874704 LED luminance-augmentation via specular retroreflection, including collimators that escape the étendue limitMay 21, 08Jan 25, 11[F21V]
7753561 Optical device for LED-based lampJan 07, 08Jul 13, 10[F21V]
7329029 Optical device for LED-based lampMar 31, 04Feb 12, 08[F21V]
7181378 Compact folded-optics illumination lensFeb 13, 04Feb 20, 07[G06F]
7152985 Compact folded-optics illumination lensJun 28, 04Dec 26, 06[G02B]
7042655 Apparatus and method for use in fulfilling illumination prescriptionDec 01, 03May 09, 06[G02B]
7021797 Optical device for repositioning and redistributing an LED's lightJun 12, 03Apr 04, 06[G02B]
7006306 Circumferentially emitting luminaires and lens-elements formed by transverse-axis profile-sweepsJul 29, 04Feb 28, 06[G02B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0094,089 ULTRAVIOLET MARKINGAbandonedDec 21, 10Apr 19, 12[B05D, B29C, H01B, B32B]

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