Inventor · disambiguated record
Manfred Waidhas
Also filed as: WAIDHAS MANFRED
9 granted patents·20 pending applications·170 citations·filing 1991–2020
89Inventor score
Top patents by PatentIndex Score
29 records- 0185US6576358B2Method of discharging reaction water in PEM fuel cells and fuel cell for carrying out the methodSIEMENS AG·Filed 2001·Granted Jun 10, 2003·28 cites·7 claims
- 0274US6645660B2Screen-printing paste and screen-printing method of fabricating a gas diffusion electrodeSIEMENS AG·Filed 2001·Granted Nov 11, 2003·18 cites·10 claims
- 0368US6509112B1Direct methanol fuel cell (DMFC)SIEMENS AG·Filed 1997·Granted Jan 21, 2003·47 cites·12 claims
- 0465US7682725B2Gas diffusion electrode and method for its productionSIEMENS AG·Filed 2004·Granted Mar 23, 2010·8 cites·25 claims
- 0565US6300001B1Fuel cell and use of iron-based alloys for the construction of fuel cellsSIEMENS AG·Filed 1998·Granted Oct 9, 2001·19 cites·10 claims
- 0664US12209317B2Electrolysis system and method for operating an electrolysis systemSIEMENS ENERGY GLOBAL GMBH & CO KG·Filed 2020·Granted Jan 28, 2025·0 cites·17 claims
- 0759US6309774B1Liquid-cooled fuel cell batterySIEMENS AG·Filed 1997·Granted Oct 30, 2001·30 cites·6 claims
- 0857US5189770AMethod of making solid electrolyte capacitorSIEMENS AG·Filed 1991·Granted Mar 2, 1993·20 cites·18 claims
- 0948US2014144785A1Energy management system, industrial plant comprising an energy management system and method for operating an energy management systemFARCHMIN FRED·Filed 2012·Application pending·0 cites
- 1045US2014034187A1Hydrogen filling station system and method of operation thereforFARCHMIN FRED·Filed 2012·Application pending·0 cites
- 1145US2012073985A1Method for treating sludgeHAHN ALEXANDER·Filed 2011·Application pending·0 cites
- 1244US2011017610A1Device and process for breaking down pollutants in a liquid and also use of such a deviceHAHN ALEXANDER·Filed 2008·Application pending·0 cites
- 1343US2012125779A1Method and device for generating hydrogen and oxygenHAHN ALEXANDER·Filed 2010·Application pending·0 cites
- 1442US2005003259A1Component such as a cell frame and/or a pole plate for a PEM fuel cell with a reduced contact resistance, and method for reducing the contact resistanceSIEMENS AG·Filed 2004·Application pending·0 cites
- 1541US2003091875A1Method for cold starting fuel cells of a fuel cell facility, and corresponding fuel cell facilityFiled 2002·Application pending·0 cites
- 1640US2002122963A1Fuel cell installation with integrated gas cleaning and method of cleaning a reformer gasFiled 2002·Application pending·0 cites
- 1739US2002068202A1Method for cold-starting a fuel cell battery, and fuel cell battery suitable for this methodFiled 2001·Application pending·0 cites
- 1839US2002076584A1Method for starting an HTM fuel cell, and associated deviceFiled 2001·Application pending·0 cites
- 1939US2002119352A1Fuel cell installation and associated operating methodFiled 2002·Application pending·0 cites
- 2039US2002192533A1Membrane electrode assembly for a fuel cell and a method for producing the sameGEBHARDT ULRICH·Filed 2002·Application pending·0 cites
- 2138US2003027031A1Fuel cell stack and method for assembling a fuel cell stackFiled 2002·Application pending·0 cites
- 2238US2002071973A1Method for operating a HTM fuel cell and a HTM fuel cell batteryFiled 2001·Application pending·0 cites
- 2337US2002187375A1Fuel cell installation and method for operating a fuel cell installationFiled 2002·Application pending·0 cites
- 2436US2002058165A1Mehtod for cold-starting a fuel cell battery and fuel cell battery suitable thereforFiled 2001·Application pending·0 cites
- 2536US2002127465A1Component such as a cell frame and/or a pole plate for a PEM fuel cell with a reduced contact resistance, and method for reducing the contact resistanceFiled 2001·Application pending·0 cites
- 2636US2002071972A1Fuel cell battery with heating and an improved cold-start performance, and method for cold-starting of a fuel cell batteryFiled 2001·Application pending·0 cites
- 2735US2002058172A1Method of producing a membrane electrode assembly, and membrane electrode assembly produced using this method, as well as associated fuel cell batteryFiled 2001·Application pending·0 cites
- 2833US8233266B2Energy storage moduleEBELING HANS HEINRICH·Filed 2007·Granted Jul 31, 2012·0 cites·31 claims
- 2933US2010129645A1Coating for vapor condensersGENSLER RUDOLF·Filed 2008·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Manfred Waidhas files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →