What’s new

August 2026

• patent · 18 Jul 1989 · added 2 months ago

  Marine engine with combination vapor return, crankcase pressure, and cooled fuel line conduit

• patent · 24 May 1988 · added 2 months ago

  Upper cylinder area lubrication system

  Machine transcription of the US4745896A patent scan, 5 pages.

• 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 · 4 Mar 1975 · added 2 months ago

  Lubricating oil supply system for rotary engine

  A lubricating oil supply system for a rotary internal combustion engine and adapted to supply a lubricating oil onto the inner surface of the engine housing. The lubricating oil su...

• patent · 20 Dec 1983 · added 2 months ago

  Oil changing system

  Machine transcription of the US4421078A patent scan, 5 pages.

• 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 · 13 May 1941 · added 2 months ago

  Compressor or vacuum pump

  Machine transcription of the US2241718 patent scan, 3 pages.

• patent · 16 Jun 1925 · added 2 months ago

  Internal-combustion engine

  Machine transcription of the US1542765 patent scan, 7 pages.

• patent · 17 Feb 1942 · added 2 months ago

  Engine

  Machine transcription of the US2273202 patent scan, 6 pages.

• patent · 7 Oct 1930 · added 2 months ago

  Carburetion apparatus

  Machine transcription of the US1777472 patent scan, 10 pages.

• 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 · 6 Mar 2018 · added 2 months ago

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

• patent · 1 Sep 2015 · added 2 months ago

  Combustion system

• 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 · 20 Dec 2011 · added 2 months ago

  Heated catalyzed fuel injector for injection ignition engines

• patent · 28 Oct 2008 · added 2 months ago

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

• patent · 2 Feb 2010 · added 2 months ago

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

• patent · 2 Apr 2009 · 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 · 13 Jan 2011 · added 2 months ago

  Heated catalyzed fuel injector for injection ignition engines

• patent · 13 Aug 2013 · added 2 months ago

  Process and system for producing liquid fuel from carbon dioxide and water

• patent · 3 Nov 2009 · added 2 months ago

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

• patent · 2 Nov 2004 · added 2 months ago

  Exhaust-gas purification installation and exhaust-gas purification method for purifying an exhaust gas from an internal combustion engine

• patent · 23 Aug 2005 · added 2 months ago

  Process for the catalytic exhaust gas aftertreatment of engine combustion emissions

• patent · 28 Feb 2006 · added 2 months ago

  Process for the catalytic exhaust gas aftertreatment of engine combustion emissions

• patent · 30 Dec 2004 · added 2 months ago

  Process for the catalytic exhaust gas aftertreatment of engine combustion emissions

• patent · 2 Jun 2005 · added 2 months ago

  Internal combustion engine fuel supply system

• patent · 23 Aug 1994 · added 2 months ago

  Fuel supply system for engines and combustion processes therefor

• patent · 9 Dec 2025 · added 2 months ago

  Reactor for synthesis of methanol or other products