What’s new

August 2026

• patent · 2 Nov 1995 · added 2 months ago

  A device with dioptric surface layers, for the protection and solar concentration in hothouses, cultivations and similar

• patent · 25 Jul 1989 · added 2 months ago

  Solar collector system with radiation concentrated on heat absorber vanes

• patent · 27 Jul 1982 · added 2 months ago

  Solar energy collector

  Machine transcription of the US4341203A patent scan, 13 pages.

• patent · 15 Jun 1982 · added 2 months ago

  Solar heat apparatus

  Machine transcription of the US4334522A patent scan, 7 pages.

• patent · 2 Sep 1980 · added 2 months ago

  Solar energy collecting system

  Machine transcription of the US4220137A patent scan, 10 pages.

• patent · 26 Aug 1975 · added 2 months ago

  Two fluid solar boiler

  A boiler for powering fluid pressure motors. The rays from the sun are focused by a lens through a transparent oil primary heat transfer medium and onto a heat absorber. The heat d...

• patent · 8 Aug 1980 · added 2 months ago

  Solar heat energy collector - comprises prismatic glass or plastics ampoules transforming light into heat by refraction

• patent · 27 Jan 1976 · added 2 months ago

  Spherical system for the concentration and extraction of solar energy

  A spherical system for the concentration and extraction of solar energy includes a boiler fitted with a heat transfer fluid such as liquid sodium and connectable to means for conve...

• patent · 25 May 1982 · added 2 months ago

  Solar energy for LNG vaporization

  Machine transcription of the US4331129A patent scan, 13 pages.

• patent · 3 Jun 1975 · added 2 months ago

  Combination solar water heater and chiller

  This invention relates to a method and an apparatus which can be used either to heat or cool water through solar technology merely by the addition or removal of a few materials fro...

• patent · 10 Nov 1981 · added 2 months ago

  Solar energy focusing means

  Machine transcription of the US4299201A patent scan, 8 pages.

• patent · 11 May 1965 · added 2 months ago

  Solar energy heating apparatus

  Machine transcription of the US3182654 patent scan, 3 pages.

• patent · 23 Mar 1965 · added 2 months ago

  Air supported solar still

  Machine transcription of the US3174915 patent scan, 6 pages.

• patent · 17 Mar 1964 · added 2 months ago

  Inflatable solar energy collector

  Machine transcription of the US3125091 patent scan, 8 pages.

• patent · 5 Jun 1928 · added 2 months ago

  Solar heater

  Machine transcription of the US1672750 patent scan, 7 pages.

• patent · 28 Sep 1971 · added 2 months ago

  Electric igniter system

  An electric igniter system for a fuel burner including an electrical resistance type igniter, wherein the resistance element is of a type having a negative temperature coefficient...

• patent · 5 Oct 1999 · added 2 months ago

  Water on fire appearing water displays

• patent · 20 Sep 1983 · added 2 months ago

  Burner ignition and flame monitoring system

  Machine transcription of the US4405299A patent scan, 5 pages.

• patent · 22 Aug 1989 · added 2 months ago

  Colored flame water fountain illumination system

• patent · 25 Nov 2003 · added 2 months ago

  Automatic gas lamp with safety control circuit

• patent · 12 Apr 2012 · added 2 months ago

  Apparatus and method for improved ignition of a gaseous fuel burner in an appliance

• patent · 22 Dec 2025 · added 2 months ago

  Curtain frame device

• patent · 17 Feb 1970 · added 2 months ago

  Combination igniter and temperature sensor

  Machine transcription of the US3495925 patent scan, 5 pages.

• patent · 21 May 1974 · added 2 months ago

  Glow coil ignitor

  A glow coil ignitor including a coil of molybdenum disilicide wire having straight end portions of approximately equal lengths, said coil being in the shape of a helix having an ap...

• patent · 16 Sep 1969 · added 2 months ago

  Igniter-thermistor assembly

  Machine transcription of the US3467812 patent scan, 4 pages.

• patent · 24 Mar 1970 · added 2 months ago

  Flame-proving ignition system for gas burners

  Machine transcription of the US3502419 patent scan, 4 pages.

• patent · 22 Jul 1969 · added 2 months ago

  Direct ignition of fluid fuel burners

  Machine transcription of the US3457020 patent scan, 3 pages.

• patent · 18 May 1965 · added 2 months ago

  Gas burner ignition system

  Machine transcription of the US3183959 patent scan, 8 pages.

• patent · 25 Sep 1945 · added 2 months ago

  Fuel ignition system

  Machine transcription of the US2385699 patent scan, 4 pages.

• patent · 27 Jul 1965 · added 2 months ago

  Ignition and control system for gas-fueled heating devices

  Machine transcription of the US3196929 patent scan, 9 pages.