Inventor · disambiguated record
Rittmar Von Helmolt
Also filed as: HELMOLT RITTMAR VON · VON HELMOLT RITTMAR
10 granted patents·2 pending applications·119 citations·filing 1994–2010
89Inventor score
Top patents by PatentIndex Score
12 records- 0174US7482076B2Fuel cell stack humidification method incorporating an accumulation deviceGEN MOTORS CORP·Filed 2005·Granted Jan 27, 2009·2 cites·3 claims
- 0268US8454730B2Method of operating gas storage and supply systemVON HELMOLT RITTMAR·Filed 2010·Granted Jun 4, 2013·3 cites·29 claims
- 0367US7574996B2Fuel supply system with a gas adsorption deviceGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Aug 18, 2009·3 cites·25 claims
- 0467US5498298AMethod for preparing a structure having enhanced magnetoresistance, and use of the structureSIEMENS AG·Filed 1995·Granted Mar 12, 1996·21 cites·20 claims
- 0562US5563331AMagnetoresistive sensor utilizing a sensor material with a perovskite-like crystal structureSIEMENS AG·Filed 1994·Granted Oct 8, 1996·18 cites·13 claims
- 0659US6630261B2Apparatus and method for utilizing the waste heat of an air-cooled fuel cell batterySIEMENS AG·Filed 2001·Granted Oct 7, 2003·4 cites·4 claims
- 0759US6309774B1Liquid-cooled fuel cell batterySIEMENS AG·Filed 1997·Granted Oct 30, 2001·30 cites·6 claims
- 0855US6921601B2Fuel cell stack humidification method incorporating an accumulation deviceGEN MOTORS CORP·Filed 2003·Granted Jul 26, 2005·2 cites·5 claims
- 0953US6299999B1Intermediate element for thermal, electrical and mechanical connection of two partsSIEMENS AG·Filed 1997·Granted Oct 9, 2001·24 cites·16 claims
- 1042US6306533B1Cooling system for a fuel cell batterySIEMENS AG·Filed 1997·Granted Oct 23, 2001·12 cites·16 claims
- 1136US2002119357A1High-temperature polymer electrolyte membrane (HTM) fuel cell, HTM fuel cell installation, method for operating an HTM fuel cell and/or an HTM fuel cell installationFiled 2002·Application pending·0 cites
- 1227US2001049040A1Fuel cell system for an electric vehicleFiled 1997·Application pending·0 cites
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