Inventor · disambiguated record
Hans-Frieder Walz
Also filed as: WALZ HANS-FRIEDER
4 granted patents·2 pending applications·235 citations·filing 1998–2009
73Inventor score
Top patents by PatentIndex Score
6 records- 0194US6083637AFuel cell energy generating systemDAIMLER CHRYSLER AG·Filed 1998·Granted Jul 4, 2000·225 cites·12 claims
- 0264US6942938B2System and method for cooling a fuel cell arrangementBALLARD POWER SYSTEMS·Filed 2002·Granted Sep 13, 2005·10 cites·36 claims
- 0351US2011097633A1Fuel Cell System and Motor Vehicle with Such a Fuel Cell SystemDAIMLER AG·Filed 2009·Application pending·0 cites
- 0449US2011053015A1Control Method for a Fuel Cell System and Fuel Cell SystemDAIMLER AG·Filed 2009·Application pending·0 cites
- 0541US8192876B2Method for operating a fuel cell system in a mode of reduced power outputSCHEMPP VOLKER·Filed 2007·Granted Jun 5, 2012·0 cites·13 claims
- 0640US7135049B2Method for operating a gas generation device in a fuel cell systemNUCELLSYS GMBH·Filed 2001·Granted Nov 14, 2006·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →