| Patent Number |
Title Of Patent |
Date Issued |
| RE39556 |
Fuel cell and method for controlling same |
April 10, 2007 |
| The present invention relates to an improved fuel cell and method of controlling same having an anode and a cathode which produces an electrical current having a given voltage and current output and which includes a controller electrically coupled with the fuel cell and which shunts |
| 7326480 |
Fuel cell power system and method of controlling a fuel cell power system |
February 5, 2008 |
| A fuel cell power system includes a fuel cell which has an optimal voltage; an energy storage device having a nominal voltage substantially similar to the optimal voltage of the fuel cell; and an electrical switch that, in operation, selectively electrically couples the fuel cell and |
| 7171721 |
Cleaning apparatus for dispensing a heated cleaning fluid |
February 6, 2007 |
| A cleaning apparatus is disclosed and which includes a fluid dispensing tank which dispenses a cleaning fluid; a heat exchanger coupled in downstream fluid flowing relation relative to the fluid dispensing tank; a source of a combustible fluid fuel; a source of air; and a catalytic h |
| 6939636 |
Air cooled fuel cell module |
September 6, 2005 |
| An air cooled fuel cell module is described and which includes an ion exchange membrane having opposite anode and cathode sides; an electrode borne by each of the anode and cathode sides; and a cathode heat sink positioned in heat removing relation relative to the cathode side of the |
| 6773839 |
Fuel cell power systems and methods of controlling a fuel cell power system |
August 10, 2004 |
| Fuel cell power systems and methods of controlling a fuel cell power system are provided. According to one aspect, a fuel cell power system includes a plurality of fuel cells electrically coupled with plural terminals and individually configured to convert chemical energy into electricit |
| 6745799 |
Method for delivering a gas |
June 8, 2004 |
| A method for delivering a gas is disclosed and which includes in its broadest aspect providing a conduit which supplies natural gas to a geographic location; and mixing a gas to be delivered with the natural gas for delivery to the geographic location. |
| 6743536 |
Fuel cell power system and method of controlling a fuel cell power system |
June 1, 2004 |
| A fuel cell power system includes a fuel cell which has an optimal voltage; an energy storage device having a nominal voltage substantially similar to the optimal voltage of the fuel cell; and an electrical switch that, in operation, selectively electrically couples the fuel cell and the |
| 6630259 |
Fuel cell power system performing AC inversion, method of distributing AC power, and method of o |
October 7, 2003 |
| A fuel cell power system, comprising a fuel cell which generates DC voltage; a plurality of energy storage devices selectively electrically coupled with the fuel cell; and circuitry for sequentially selectively electrically coupling and decoupling the respective energy storage devices |
| 6550304 |
Method of compensating a MOS gas sensor, method of manufacturing a MOS gas sensor, MOS gas senso |
April 22, 2003 |
| A method of compensating a MOS gas sensor is described and which includes using a MOS gas sensor to provide a signal indicative of gas concentration of a target gas in an ambient; providing a signal representative of dew point of the ambient; and modifying the signal from the MOS gas sen |
| 6532792 |
Method of compensating a MOS gas sensor, method of manufacturing a MOS gas sensor, MOS gas senso |
March 18, 2003 |
| A method of compensating a MOS gas sensor is described and which includes using a MOS gas sensor to provide a signal indicative of gas concentration of a target gas in an ambient; providing a signal representative of dew point of the ambient; and modifying the signal from the MOS gas sen |
| 6497974 |
Fuel cell power system, method of distributing power, and method of operating a fuel cell power |
December 24, 2002 |
| A fuel cell power system, comprising a fuel cell which generates D.C. voltage while operating; an ultracapacitor which, in operation, is electrically coupled with a load and has a voltage condition; and a circuit which, in operation, electrically couples and decouples the fuel cell t |
| 6468682 |
Ion exchange membrane fuel cell |
October 22, 2002 |
| An ion exchange membrane fuel cell is described and which includes a module enclosing a membrane electrode diffusion assembly which has an active area defined by a surface area, and which produces an average current density of at least about 350 mA per square centimeter of surface area w |
| 6467334 |
Method for quickly rendering a MOS gas sensor operational, MOS gas sensor system, and fuel cell |
October 22, 2002 |
| A method of speeding startup of a MOS gas sensor having a sensor element for sensing a target gas, and a heater configured to heat the sensor element, and which is responsive to a voltage applied thereto. The heater has an operating temperature which is selectively maintained by applying |
| 6428918 |
Fuel cell power systems, direct current voltage converters, fuel cell power generation methods, |
August 6, 2002 |
| Fuel cell power systems, direct current voltage converters, fuel cell power generation methods, power conditioning methods and direct current power conditioning methods are provided. According to one aspect of the invention, a fuel cell power system includes a plurality of terminals |
| 6387556 |
Fuel cell power systems and methods of controlling a fuel cell power system |
May 14, 2002 |
| Fuel cell power systems and methods of controlling a fuel cell power system are provided. According to one aspect, a fuel cell power system includes a plurality of fuel cells electrically coupled with plural terminals and individually configured to convert chemical energy into electricit |
| 6218035 |
Proton exchange membrane fuel cell power system |
April 17, 2001 |
| A proton exchange membrane fuel cell power system for producing electrical power is described and which includes a plurality of discrete fuel cell modules having at least two membrane electrode diffusion assemblies, each of the membrane electrode diffusion assemblies having opposite anod |
| 6096449 |
Fuel cell and method for controlling same |
August 1, 2000 |
| The present invention relates to an improved fuel cell and method for controlling same having an anode and a cathode which produces an electrical current having a given voltage and current output and which includes a controller electrically coupled with the fuel cell and which shunts the |
| 6030718 |
Proton exchange membrane fuel cell power system |
February 29, 2000 |
| A proton exchange membrane fuel cell power system for producing electrical power is described and which includes a plurality of discrete fuel cell modules having at least two membrane electrode diffusion assemblies, each of the membrane electrode diffusion assemblies having opposite anod |
