What’s new

August 2026

• patent · 12 Apr 2016 · added 2 months ago

  Solar energy converter

• patent · 6 Sep 2016 · added 2 months ago

  Light processing system

• patent · 17 Dec 2024 · added 2 months ago

  Multi-focal point solar refraction heating

• patent · 9 Dec 1980 · added 2 months ago

  Solar energy system with composite concentrating lenses

  Machine transcription of the US4238246A patent scan, 4 pages.

• patent · 11 Dec 1984 · added 2 months ago

  Solar distillation apparatus

  Machine transcription of the US4487659A patent scan, 12 pages.

• patent · 29 Jun 1976 · added 2 months ago

  Solar electrical generating system

  A lens is used to concentrate solar rays to heat an expansible fluid. Energy is extracted from the fluid to drive an electric current generator. The heated fluid may first pass thr...

• patent · 27 Dec 1977 · added 2 months ago

  Low cost solar energy collection system

  A fixed, linear, ground-based primary reflector having an extended curved-sawtooth contoured surface covered with a metallized polymeric reflecting material, reflects solar energy...

• patent · 12 Oct 1976 · added 2 months ago

  Solar furnace

  A solar furnace wherein multiple Fresnel lenses focus light rays upon heat conductors associated with each of the lenses. Each heat conductor has an exposed arcuate portion which s...

• patent · 10 Jul 1973 · added 2 months ago

  Composite lens for an optical communication system providing directly viewed real images

  A Fresnel type lens having a discontinuously sloping stepped surface surrounds a smaller lens of comparable focal length axially aligned therewith but having a continuously sloping...

• patent · 12 Jun 1973 · added 2 months ago

  Optical fluid lens construction

  This invention provides a liquid-filled lens, which incorporates means for causing atmospheric pressure at least partly to counteract the internal pressure arising from the static...

• patent · 5 Nov 1974 · added 2 months ago

  Apparatus for solar distillation

  1. AN APPARATUS FOR THE DISTILLATION OF A LIQUID COMPRISING A SOLAR STILL HAVING IN COMBINATION ONE OR MORE DISTILLAND-RETAINING COMPONENTS, A COVER CAPABLE OF TRANSMITTING RADIANT...

• patent · 17 Oct 1950 · added 2 months ago

  Plastic lens

  Machine transcription of the US2525921 patent scan, 3 pages.

• patent · 18 Apr 1967 · added 2 months ago

  Process and apparatus for solar distillation

  Machine transcription of the US3314862 patent scan, 19 pages.

• patent · 23 Mar 1948 · added 2 months ago

  Headlight and supporting means therefor

  Machine transcription of the US2438196 patent scan, 3 pages.

• patent · 4 Sep 1928 · added 2 months ago

  Solar heating apparatus

  Machine transcription of the US1683266 patent scan, 3 pages.

• patent · 6 Sep 1921 · added 2 months ago

  Stepped lenticular system for heat and light concentrating to be used on flying-machines

  Machine transcription of the US1390258 patent scan, 4 pages.

• patent · 5 Mar 1929 · added 2 months ago

  op chicago

  Machine transcription of the US1704173 patent scan, 5 pages.

• patent · 25 Nov 2010 · added 2 months ago

  Light concentrator, redirector and distributor

• patent · 7 Sep 2021 · added 2 months ago

  Curved surface absorber type solar fluid heater

• patent · 3 Nov 2020 · added 2 months ago

  Integral collector storage solar water heater

• patent · 16 Oct 2018 · added 2 months ago

  Solar energy collector apparatus

• patent · 8 Jun 2017 · added 2 months ago

  Integral Collector Storage Solar Water Heater

• patent · 13 May 2017 · added 2 months ago

  PERFECTED DEVICE FOR THE TRANSFORMATION OF SOLAR ENERGY IN ELECTRIC AND THERMAL THROUGH THE BI-DIRECTIONAL SOLAR CURVE STATIC OPTICAL TRACKING

• patent · 12 Jan 2016 · added 2 months ago

  Solar energy collector apparatus

• patent · 10 Nov 2015 · added 2 months ago

  Solar panel enclosure unit

• patent · 30 Apr 2013 · added 2 months ago

  Solar collector using subreflector

• patent · 7 Mar 2013 · added 2 months ago

  Solar energy amplifier using regenerated greenhouse gas

• patent · 15 Jan 2013 · added 2 months ago

  Self-contained solar heater and storage device

• patent · 29 Sep 1987 · added 2 months ago

  Solar heated canteen

  Machine transcription of the US4696284A patent scan, 5 pages.

• patent · 10 Jun 1986 · added 2 months ago

  Solar illumination device

  Machine transcription of the US4593976A patent scan, 14 pages.