What’s new

August 2026

• patent · 9 Dec 1975 · added 2 months ago

  Method for the determination of cholesterol

  Total cholesterol or bound cholesterol in a sample is determined by treating the sample with cholesterol esterase, thereby releasing the bound cholesterol, and then determining the...

• patent · 28 Jul 1953 · added 2 months ago

  Flashback prevention in gas burners

  Machine transcription of the US2646789A patent scan, 4 pages.

• patent · 6 Feb 1981 · added 2 months ago

  Solar energy collector - has vertical pipe and pump for spraying water over inner surface of inner one of two concentric spheres

  Machine transcription of the FR2461896A1 patent scan, 6 pages.

• patent · 8 Feb 1983 · added 2 months ago

  Solar heat exchanger

  Machine transcription of the US4372291A patent scan, 8 pages.

• patent · 21 Jan 1981 · added 2 months ago

  Spherical solar collector with simplified structure

  Machine transcription of the EP0022686A1 patent scan, 14 pages.

• patent · 16 Sep 1986 · added 2 months ago

  Black-water solar disk

  Machine transcription of the US4611577A patent scan, 3 pages.

• patent · 9 Apr 1985 · added 2 months ago

  Solar energy collection apparatus

  Machine transcription of the US4509500A patent scan, 8 pages.

• patent · 28 Aug 2025 · added 2 months ago

  Geodesic dome system for integrated aquaponics and mushroom production

• patent · 11 Nov 2015 · added 2 months ago

  Device for increasing thermal utilization rate of disc type solar thermal collector

• patent · 28 Feb 2002 · added 2 months ago

  Solar energy generation minimizing the surface and size of collectors currently in use

• patent · 8 Mar 1995 · added 2 months ago

  Solar power system

• patent · 17 Aug 1982 · added 2 months ago

  Solar collector

  Machine transcription of the US4344418A patent scan, 6 pages.

• patent · 21 Dec 1982 · added 2 months ago

  Heat-absorbent panel for solar energy and sloping roof composed of such panels

  Machine transcription of the US4364374A patent scan, 5 pages.

• patent · 2 Oct 1981 · added 2 months ago

  Solar energy collector - has vertical pipe and pump for spraying water over inner surface of inner one of two concentric spheres

  Machine transcription of the FR2479433A2 patent scan, 8 pages.

• patent · 4 Jan 2024 · added 2 months ago

  Water distiller

• patent · 14 Mar 2023 · added 2 months ago

  Solar energy collector adaptable to variable focal point

• patent · 26 Oct 2021 · added 2 months ago

  Solar water taking and power generating device and method for water taking and power generating

• patent · 17 Jun 2021 · added 2 months ago

  Multi-focal point solar refraction heating

• patent · 5 Jun 2018 · added 2 months ago

  Solar energy collector and/or concentrator, and thermal energy storage and retrieval system including the same

• patent · 13 Feb 2018 · added 2 months ago

  Solar electricity generation system

• patent · 29 Nov 2016 · added 2 months ago

  Greenhouse used as a solar panel support structure

• patent · 1 Dec 2015 · added 2 months ago

  Light processing system

• patent · 20 Jan 2015 · added 2 months ago

  Steam generation device

• patent · 19 Feb 2014 · added 2 months ago

  Solar energy converter

• patent · 30 Jan 2014 · added 2 months ago

  Absorber tube for a trough collector

• patent · 13 Jun 2013 · added 2 months ago

  Anaerobic digester for the production of methane gas from organic waste

• patent · 20 Dec 2012 · added 2 months ago

  Device for distilling various kinds of water by using solar heat, and distillation method

• patent · 11 Oct 2012 · added 2 months ago

  Sun tracking solar concentrator

• patent · 28 Aug 2012 · added 2 months ago

  Device for collecting solar energy to produce heat

• patent · 27 Oct 2011 · added 2 months ago

  Low cost desalination method using renewable energy & recycled materials