What’s new

August 2026

• patent · 3 Mar 2011 · added 2 months ago

  Method for operating a fuel cell and a fuel cell arrangement

• patent · 3 Mar 2011 · added 2 months ago

  Method for Operating a Fuel Cell System with a Recirculation Blower Arranged in a Fuel Circuit Thereof

• patent · 13 May 2003 · added 2 months ago

  Fuel cell hot zone pressure regulator

• patent · 8 Jan 2004 · added 2 months ago

  System and method for shutting down a fuel cell power plant

• patent · 24 May 1994 · added 2 months ago

  Portable power source

  The present invention provides a portable power source comprising a fuel cell generating electricity using hydrogen as fuel, a hydrogen storage unit filled with hydrogen absorbing...

• patent · 25 Jun 2002 · added 2 months ago

  Automatic burner driven generator system

• patent · 16 May 2002 · added 2 months ago

  Mehtod for cold-starting a fuel cell battery and fuel cell battery suitable therefor

• patent · 3 Oct 2000 · added 2 months ago

  Start up of proton exchange membrane fuel cell

• patent · 12 Apr 2001 · added 2 months ago

  Electromagnetic or electrohydraulic valve control device

• patent · 19 Mar 2002 · added 2 months ago

  Freeze-protecting a fuel cell by vacuum drying

• patent · 7 May 1996 · added 2 months ago

  Annular feed air breathing fuel cell stack

  A stack of polymer electrolyte fuel cells is formed from a plurality of unit cells where each unit cell includes fuel cell components defining a periphery and distributed along a c...

• patent · 28 Nov 1995 · added 2 months ago

  Electrochemical fuel cell employing ambient air as the oxidant and coolant

  An electrochemical fuel cell assembly includes a membrane electrode assembly which comprises an anode, a cathode having a surface thereof exposed to ambient air, and an ion exchang...

• patent · 23 Mar 2000 · added 2 months ago

  Fuel cell power supply with exhaust recycling for improved water management

• patent · 21 Sep 2000 · added 2 months ago

  Fuel cell battery with heating and improved cold start performance and method for cold starting a fuel cell battery

• patent · 26 Sep 2000 · added 2 months ago

  Purged anode low effluent fuel cell

• patent · 2 Mar 2000 · added 2 months ago

  Ambient pressure fuel cell system

• patent · 7 Sep 1993 · added 2 months ago

  Near ambient, unhumidified solid polymer fuel cell

  The solid polymer fuel cell (SPFC), also known as the solid polymer electrolyte (SPE®) fuel cell, sold by Hamilton Standard, a Division of United Technologies Corporation, of Hartf...

• patent · 19 Oct 1999 · added 2 months ago

  Thermoelectric catalytic power generator with preheat

• patent · 7 Jun 1994 · added 2 months ago

  Near ambient, unhumidified solid polymer fuel cell

  Simplified and improved solid polymer fuel cells for operation at near ambient conditions of temperature and pressure and without humidification are disclosed. In a first embodimen...

• patent · 31 May 1994 · added 2 months ago

  Heat supply and electric power-generating fuel cell

  A heat supply and electric power-generating fuel cell, has a water-circulation system including a fuel cell body with a water flow path for controlling the temperature of a cell re...

• patent · 6 Apr 1993 · added 2 months ago

  Integrated fuel cell power generation system

  An integrated fuel cell power generation system comprises a fuel cell stack having a humidification section and an electrochemically active section. The humidification section impa...

• patent · 11 Nov 1986 · added 2 months ago

  Hybrid electric power generating system

  A hybrid power system comprises a first energy converter operating on a closed Rankine cycle and including a vapor generator for vaporizing an organic working fluid in response to...

• patent · 4 Apr 1989 · added 2 months ago

  System for hydrogen thermal-electrochemical conversion

  A system for converting heat energy into electricity includes a conversion cell comprising a pair of spaced-apart electrodes having an electrolyte therebetween. The electrolyte is...

• patent · 16 Nov 1965 · added 2 months ago

  Thermoelectric generator for internal combustion engine

  Machine transcription of the US3217696 patent scan, 7 pages.

• patent · 8 Jul 1980 · added 2 months ago

  Thermoelectric energy system

  A thermoelectric energy system comprising first and second separated metal electrodes, an electrolyte comprising a source of metal ions and a material for complexing the metal ions...

• patent · 21 Mar 1978 · added 2 months ago

  Process for cooling molten carbonate fuel cell stacks and apparatus therefor

  In a fuel cell power plant comprising a plurality of stacks of molten carbonate fuel cells the CO 2 produced at the anodes of the cells is combined with the process air for the cat...

• patent · 3 Mar 2009 · added 2 months ago

  Ultraviolet disinfecting apparatus

• patent · 29 May 2007 · added 2 months ago

  Light source device and projection type display device

• patent · 12 Nov 2024 · added 2 months ago

  Light sensitive display system

• patent · 5 Nov 2019 · added 2 months ago

  Vehicular light assemblies with LED-excited photoluminescent lightguide