What’s new

August 2026

• patent · 5 Feb 2013 · added 2 months ago

  Hybrid cycle combustion engine and methods

• patent · 16 Apr 1974 · added 2 months ago

  Oil rate regulator for internal combustion engine tightness member

  The tightness problem in internal combustion engines is usually solved by film between the apical portion of the segments and the chamber walls. The device disclosed herein is cont...

• patent · 31 Mar 1998 · added 2 months ago

  Lubricant supply for internal combustion engine

• patent · 9 Mar 1999 · added 2 months ago

  Oil management system for a fuel injected engine

• patent · 26 Nov 2002 · added 2 months ago

  Four-stroke cycle internal combustion engine

• patent · 28 Aug 2008 · added 2 months ago

  Hybrid Cycle Combustion Engine and Methods

• patent · 28 Jan 2010 · added 2 months ago

  Fuel intake for an engine

• patent · 24 Jan 2013 · added 2 months ago

  Downhole Motors with a Lubricating Unit for Lubricating the Stator and Rotor

• patent · 19 Dec 1978 · added 2 months ago

  Apparatus for generating linear and continuous positional error and velocity signals for higher order servo systems

  Machine transcription of the US4130786A patent scan, 11 pages.

• patent · 20 Dec 1983 · added 2 months ago

  Oil changing system

  Machine transcription of the US4421078A patent scan, 5 pages.

• patent · 24 May 1988 · added 2 months ago

  Upper cylinder area lubrication system

  Machine transcription of the US4745896A patent scan, 5 pages.

• patent · 12 Aug 2014 · added 2 months ago

  Downhole motors with a lubricating unit for lubricating the stator and rotor

• patent · 9 Apr 2019 · added 2 months ago

  Hybrid cycle combustion engine and methods

• patent · 20 Dec 2016 · added 2 months ago

  Hybrid cycle combustion engine and methods

• patent · 8 Jan 2015 · added 2 months ago

  Hybrid Cycle Combustion Engine and Methods

• patent · 13 May 1941 · added 2 months ago

  Compressor or vacuum pump

  Machine transcription of the US2241718 patent scan, 3 pages.

• patent · 17 Feb 1942 · added 2 months ago

  Engine

  Machine transcription of the US2273202 patent scan, 6 pages.

• patent · 16 Jun 1925 · added 2 months ago

  Internal-combustion engine

  Machine transcription of the US1542765 patent scan, 7 pages.

• patent · 7 Oct 1930 · added 2 months ago

  Carburetion apparatus

  Machine transcription of the US1777472 patent scan, 10 pages.

• patent · 1 Sep 2015 · added 2 months ago

  Combustion system

• patent · 6 Mar 2018 · added 2 months ago

  Engine reformer systems for lower cost, smaller scale manufacturing of liquid fuels

• patent · 24 Oct 2017 · added 2 months ago

  Combined steam reformation reactions and water gas shift reactions for on-board hydrogen production in an internal combustion engine

• patent · 28 Oct 2008 · added 2 months ago

  Fuel injector having algorithm controlled look-ahead timing for injector-ignition operation

• patent · 20 Dec 2011 · added 2 months ago

  Heated catalyzed fuel injector for injection ignition engines

• patent · 10 Dec 2013 · added 2 months ago

  Engine system and method for substantially NOx-free combustion of a fuel in a compression ignition engine

• patent · 4 Aug 2015 · added 2 months ago

  Fuel injector having algorithm controlled look-ahead timing for injector-ignition operation

• patent · 16 Jun 2009 · added 2 months ago

  Injector-ignition for an internal combustion engine

• patent · 4 Oct 2007 · added 2 months ago

  Injector-ignition for an internal combustion engine

• patent · 10 Jul 2007 · added 2 months ago

  Method and device to improve combustion efficiency of a fuel injected internal combustion engine

• patent · 1 Mar 2007 · added 2 months ago

  Flow-through mufflers with optional thermo-electric, sound cancellation, and tuning capabilities