What’s new

August 2026

• patent · 10 Oct 1996 · added 2 months ago

  Collimating tir lens devices employing fluorescent light sources

• patent · 16 Jan 1996 · added 2 months ago

  Medical device for lighting a treatment field

• patent · 11 Jan 1996 · added 2 months ago

  Device for obtaining energy from sunlight with at least one solar collector

• patent · 31 May 1994 · added 2 months ago

  Overhead projector with achromatic fresnel lens

• patent · 22 Mar 1994 · added 2 months ago

  Overhead projector with catadioptric fresnel lens

• patent · 7 Sep 1993 · added 2 months ago

  High aspect ratio light emitter having high uniformity and directionality

• patent · 19 Apr 1990 · added 2 months ago

  Solar electric conversion unit and system

• patent · 3 Apr 1990 · added 2 months ago

  Solar cooker assembly

• patent · 5 Jul 1988 · added 2 months ago

  Lens

• patent · 7 Sep 1984 · added 2 months ago

  Device for collecting solar thermal energy with concentration, without a system for following the sun

  Machine transcription of the FR2542072A1 patent scan, 8 pages.

• patent · 16 Aug 1994 · added 2 months ago

  Prism light guide luminaire with efficient directional output

• patent · 11 Oct 2006 · added 2 months ago

  Glass Envelopes, Discharge Lamps, and Manufacturing Methods Thereof

• patent · 10 Aug 2006 · added 2 months ago

  Nonimaging solar collector/concentrator

• patent · 9 Mar 2006 · added 2 months ago

  Backlight with structured surfaces

• patent · 23 Feb 2006 · added 2 months ago

  Solar/electromagnetic energy collector, solar heating element, solar lamp

• patent · 20 Oct 2005 · added 2 months ago

  Method and apparatus for using light emitting diodes

• patent · 13 Oct 2005 · added 2 months ago

  Optical device for LED-based lamp

• patent · 4 Aug 2005 · added 2 months ago

  Center high mounted stop lamp including leds and tir lens

• patent · 15 Feb 2007 · added 2 months ago

  Multistage system for radiant energy flux transformation

• patent · 21 Jul 2005 · added 2 months ago

  Method and apparatus for using light emitting diodes for curing

• patent · 16 Jun 2005 · added 2 months ago

  Solar collector and method

• patent · 16 Jun 2005 · added 2 months ago

  Etendue-squeezing illumination optics

• patent · 9 Jun 2005 · added 2 months ago

  Multifocal light concentrator for a device for the conversion of radiation, and in particular for the conversion of solar radiation into electrical, thermal or chemical energy

• patent · 12 May 2005 · added 2 months ago

  Door light

• patent · 5 May 2005 · added 2 months ago

  Optical concentrator for solar cell electrical power generation

• patent · 21 Apr 2005 · added 2 months ago

  Three-dimensional simultaneous multiple-surface method and free-form illumination-optics designed therefrom

• patent · 6 Jan 2005 · added 2 months ago

  Optical elements having programmed optical structures

• patent · 27 Feb 2007 · added 2 months ago

  Curing light instrument

• patent · 16 Jul 2009 · added 2 months ago

  Brightness-enhancing film

• patent · 14 Jul 2009 · added 2 months ago

  Linear illumination lens with Fresnel facets