Rittmar Von Helmolt

Person

Erlangen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Polymer electrolyte membrane fuel cell system and method for wettin...
- Patent number 6,576,357
- Issue date Jun 10, 2003
- Siemens Aktiengesellschaft
- Rittmar Von Helmolt
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
Fuel cell stack humidification method incorporating an accumulation...
- Publication number 20050227127
- Publication date Oct 13, 2005
- GENERAL MOTORS CORPORATION
- Ralf Senner
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Fuel cell stack and method for assembling a fuel cell stack
- Publication number 20030027031
- Publication date Feb 6, 2003
- Manfred Baldauf
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Fuel cell installation for driving a vehicle
- Publication number 20030012998
- Publication date Jan 16, 2003
- Rolf Bruck
- B60 - VEHICLES IN GENERAL
Information Patent Application
Fuel cell installation and method for operating a fuel cell install...
- Publication number 20020187375
- Publication date Dec 12, 2002
- Manfred Baldauf
- B60 - VEHICLES IN GENERAL
Information Patent Application
Method for operating a liquid-cooled fuel cell battery, and associa...
- Publication number 20020081467
- Publication date Jun 27, 2002
- Guenter Luft
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Fuel cell battery with heating and an improved cold-start performan...
- Publication number 20020071972
- Publication date Jun 13, 2002
- Ulrich Gebhardt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Mehtod for cold-starting a fuel cell battery and fuel cell battery...
- Publication number 20020058165
- Publication date May 16, 2002
- Ulrich Gebhardt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Liquid-cooled fuel cell battery and method for operating it
- Publication number 20020009648
- Publication date Jan 24, 2002
- Peter Buchner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Apparatus and method for utilizing the waste heat of an air-cooled...
- Publication number 20010049041
- Publication date Dec 6, 2001
- Peter Buchner
- B60 - VEHICLES IN GENERAL

Rittmar Von Helmolt

Person

Patents Grantslast 30 patents

Polymer electrolyte membrane fuel cell system and method for wettin...

Patents Applicationslast 30 patents

Fuel cell stack humidification method incorporating an accumulation...

Fuel cell stack and method for assembling a fuel cell stack

Fuel cell installation for driving a vehicle

Fuel cell installation and method for operating a fuel cell install...

Method for operating a liquid-cooled fuel cell battery, and associa...

Fuel cell battery with heating and an improved cold-start performan...

Mehtod for cold-starting a fuel cell battery and fuel cell battery...

Liquid-cooled fuel cell battery and method for operating it

Apparatus and method for utilizing the waste heat of an air-cooled...