The archive

What’s new

Everything the archive has gained lately, newest first. Also as a feed for whatever you read feeds with.

10,456 items

Documents Past 3 months Clear all

August 2026

patent · 27 Dec 1977 · added 2 months ago

Method and apparatus for oxidizing a fuel in an internal combustion engine

A mixture of air, oxygen and engine exhaust gases is added to a fuel and fed to an internal combustion engine in controlled amounts to reduce the amount of toxic material formed. T...
patent · 26 Sep 2024 · added 2 months ago

Power receiver electronics
patent · 17 Sep 2024 · added 2 months ago

Variable solar panel assembly
patent · 11 Jul 2019 · added 2 months ago

Renewable energy utilizing closed cycle thermodynamic based engine and method of operation
patent · 14 Mar 2017 · added 2 months ago

Photovoltaic panel
patent · 11 Oct 2016 · added 2 months ago

Concentrated photovoltaic panel
patent · 2 Oct 2014 · added 2 months ago

Photovoltaic Module Mounting to Rubber Tires
patent · 18 Sep 2014 · added 2 months ago

Photovoltaic system
patent · 26 Jul 2012 · added 2 months ago

Co-generating system using high efficiency concentrating photovoltaics system
patent · 29 Sep 2011 · added 2 months ago

Solar power system
patent · 14 Jan 2010 · added 2 months ago

Building energy storage and conversion apparatus
patent · 24 Nov 2020 · added 2 months ago

Renewable energy utilizing closed cycle thermodynamic based engine and method of operation
patent · 9 Apr 2019 · added 2 months ago

Photovoltaic module mounting to rubber tires
patent · 4 Oct 2012 · added 2 months ago

Solar cell
patent · 18 Jul 2017 · added 2 months ago

Light concentrator alignment system
patent · 22 Oct 2015 · added 2 months ago

Light concentrator alignment system
patent · 14 Sep 2018 · added 2 months ago

A kind of highway slope protection is marked time template
patent · 5 Jan 2012 · added 2 months ago

Multi-directional solar energy collector system
patent · 11 Feb 2010 · added 2 months ago

Cascaded Photovoltaic and Thermophotovoltaic Energy Conversion Apparatus with Near-Field Radiation Transfer Enhancement at Nanoscale Gaps
patent · 6 Aug 2024 · added 2 months ago

Mechanically stacked solar transmissive cells or modules
patent · 6 Feb 2024 · added 2 months ago

Solar module racking system
patent · 9 Sep 2025 · added 2 months ago

Optimizing cadmium (CD) alloy solar cells with sputtered copper-dopped zinc telluride (ZNTE:CU) back contacts in the presence of hydrogen
patent · 13 Jan 2026 · added 2 months ago

Mechanically stacked solar transmissive cells or modules
patent · 18 Feb 2025 · added 2 months ago

Intelligent solar racking system
patent · 8 Jul 2025 · added 2 months ago

Intelligent solar racking system
patent · 24 Dec 2024 · added 2 months ago

Solar module racking system
patent · 22 Dec 2022 · added 2 months ago

Intelligent solar racking system
patent · 27 May 2024 · added 2 months ago

Mechanically laminated solar transmissive cells or modules
patent · 2 Sep 2025 · added 2 months ago

Optimizing cadmium (Cd) alloy solar cells with sputtered copper-doped zinc telluride (ZnTe:Cu) back contacts in the presence of hydrogen
patent · 22 Dec 2022 · added 2 months ago

Mechanically stacked solar transmissive cells or modules