What’s new

August 2026

• patent · 8 Jun 1954 · added 2 months ago

  Vertical indirect water heater

  Machine transcription of the US2680429A patent scan, 5 pages.

• patent · 30 Jan 1962 · added 2 months ago

  Marine boiler exhibiting small variations of level

  Machine transcription of the US3018764A patent scan, 4 pages.

• patent · 5 May 1978 · added 2 months ago

  Solar energy collecting system - focusses sun's rays onto ducts contg. liquids of different boiling points

• patent · 22 Feb 1980 · added 2 months ago

  Solar energy receiver for heating gas to very high temp. - used e.g. in high temp. boiler and thermo-chemical reactor

• patent · 24 Apr 2008 · added 2 months ago

  Solar concentrator system

• patent · 8 Jul 2010 · added 2 months ago

  Adaptive re-use of waste insulated glass window units as thermal solar energy collection panels

• patent · 4 Dec 2014 · added 2 months ago

  Solar Light (Heat) Absorption Material and Heat Absorption/Accumulation Material and Solar Light (Heat) Absorption/Control Building Component Using the Same

• patent · 24 Feb 2015 · added 2 months ago

  Solar receiver system

• patent · 2 Apr 2015 · added 2 months ago

  Device, system and method for high level of energetic efficiency for the storage and use of thermal energy of solar origin

• patent · 8 Apr 2014 · added 2 months ago

  Solar concentrator system

• patent · 25 Aug 2020 · added 2 months ago

  Power generation systems and methods regarding same

  A solid fuel power source that provides at least one of thermal and electrical power such as direct electricity or thermal to electricity is further provided that powers a power sy...

• patent · 9 Oct 2012 · added 2 months ago

  Method and system for producing high-pressure hydrogen

  Disclosed are methods and systems for generating hydrogen gas at pressures high enough to fill a hydrogen storage cylinder for stationary and transportation applications. The hydro...

• patent · 3 Mar 2015 · added 2 months ago

  Dual fuel injector and engine using same

  A dual fuel injector may be used to injector both gas and liquid fuel into a cylinder of a compression ignition engine. An injector body defines a first set of nozzle outlets, a se...

• patent · 13 May 2025 · added 2 months ago

  A hydrogen injector optimization device and method

• patent · 1 May 2012 · added 2 months ago

  Internal combustion engine with ammonia fuel

  The invention provides methods of providing fuel to an internal combustion engine, fuel systems for an internal combustion engine and a fuel injector for an internal combustion eng...

• patent · 5 May 2015 · added 2 months ago

  Fuel injection valve and method for co-injecting a liquid and a gaseous fuel into the combustion chamber of an internal combustion engine

  A fuel injection valve co-injects a liquid and a gaseous fuel into the combustion chamber of an internal combustion engine. A solid needle regulates the injection of liquid and gas...

• patent · 10 Jan 2012 · added 2 months ago

  Method and apparatus of fuelling an internal combustion engine with hydrogen and methane

  A gaseous-fuelled internal combustion engine and a method of engine operation improve combustion stability and reducing emissions of NOx, PM, and unburned hydrocarbons. The method...

• patent · 20 May 2008 · added 2 months ago

  Method and apparatus for delivering two fuels to a direct injection internal combustion engine

  An apparatus for delivering two fuels to a direct injection internal combustion engine comprises a liquid-fuel supply rail, a gaseous-fuel supply rail, a drain system with a shared...

• patent · 24 Jan 2006 · added 2 months ago

  Hydrogen and liquid fuel injection system

  The present invention relates to a small adapter manifold that is constructed and arranged to fit into the standard fuel injector cavity for each cylinder of an automobile engine....

• patent · 5 Jun 2007 · added 2 months ago

  Valve device and method for injecting a gaseous fuel

  A valve device and a method directly inject gaseous fuel into a combustion chamber. A rapid response in a simple and compact design is achieved by a piezoelectric, magnetostrictive...

• patent · 4 Aug 1998 · added 2 months ago

  Hydrogen enriched natural gas as a motor fuel with variable air fuel ratio and fuel mixture ratio control

  A hydrogen and natural gas fuel mixture for internal combustion engines is provided for vehicle engines such as those used in standard production engines for automobiles, trains an...

• patent · 8 Jan 2026 · added 2 months ago

  Hydrogen and oxygen electrolysis cell system

• patent · 22 Oct 2013 · added 2 months ago

  Hydrogen generator and internal combustion engine provided with hydrogen generator

  A hydrogen generator provided with a cracker which cracks a compound containing hydrogen atoms and nitrogen atoms to generate hydrogen, a compound feeder which feeds the compound t...

• patent · 24 Jun 2014 · added 2 months ago

  Hydrogen supplemental system for on-demand hydrogen generation for internal combustion engines

  A portable, on-demand hydrogen generation system producing hydrogen and injecting the hydrogen into the air intake of internal combustion engines. Hydrogen and oxygen is produced w...

• patent · 24 Apr 2012 · added 2 months ago

  Hydrogen system for internal combustion engine

  A hydrogen system for internal combustion engines, comprising a housing assembly having at least three internal chambers divided by at least two dividing plates. The two dividing p...

• patent · 24 Jan 2012 · added 2 months ago

  Hydrogen supplementation fuel apparatus and method

  A hydrogen supplementation fuel apparatus and method having a power source, a hydrogen generator and an accumulator for supplementing hydrogen gas to improve the fuel efficiency of...

• patent · 29 Sep 2009 · added 2 months ago

  System for hydrogen storage and generation

  The invention provides a solid phase hydrogen-generating system utilizing a solid chemical hydride fuel selected from the group consisting of sodium borohydride, lithium borohydrid...

• patent · 3 Aug 2004 · added 2 months ago

  Rechargeable hydrogen-fueled motor vehicle

  A hydrogen-fueled motor vehicle including at least one hydrogen-fueled locomotion subsystem and at least one refuelable hydrogen generator operative to supply hydrogen fuel to the...

• patent · 12 Oct 2004 · added 2 months ago

  Hydrogen supply system for fuel cell

  A hydrogen supply system for a fuel cell, which is small and discharges almost no carbon dioxide. The hydrogen supply system includes a fuel chamber for storing isopropyl alcohol (...

• patent · 10 Jul 2001 · added 2 months ago

  Oxygen and hydrogen generator apparatus for internal combustion engines

  Hydrogen and oxygen gases are generated for use in an internal combustion engine in a vehicle using the electrical system of the vehicle to provide current for the electrolysis pro...