Inventor · disambiguated record
Joachim Kiefer
Also filed as: KIEFER JOACHIM · KIEFER JOACHIM R
28 granted patents·18 pending applications·304 citations·filing 2001–2018
96Inventor score
Top patents by PatentIndex Score
46 records- 0194US7235320B2Proton-conducting membrane and use thereofPEMEAS GMBH·Filed 2002·Granted Jun 26, 2007·61 cites·40 claims
- 0293US7540984B2Proton-conducting membrane and the use thereofBASF FUEL CELL GMBH·Filed 2007·Granted Jun 2, 2009·18 cites·25 claims
- 0392US8142917B2Proton-conducting polymer membrane comprising polyazole blends and its use in fuel cellsUENSAL OEMER·Filed 2010·Granted Mar 27, 2012·9 cites·28 claims
- 0492US7384552B2Proton-conducting membrane and the use thereofBASF FUEL CELL GMBH·Filed 2002·Granted Jun 10, 2008·35 cites·74 claims
- 0591US7582210B2Proton-conducting membrane and use thereofBASF FUEL CELL GMBH·Filed 2007·Granted Sep 1, 2009·12 cites·23 claims
- 0687US7332530B2Proton-conducting polymer membrane comprising a polymer with sulphonic acid groups and use thereof in fuel cellsCELANESE VENTURES GMBH·Filed 2003·Granted Feb 19, 2008·43 cites·28 claims
- 0786US7485227B2Polyazole-based polymer filmsBASF FUEL CELL GMBH·Filed 2006·Granted Feb 3, 2009·8 cites·17 claims
- 0885US8945736B2Method for conditioning membrane-electrode-units for fuel cellsBASF FUEL CELL GMBH·Filed 2012·Granted Feb 3, 2015·5 cites·19 claims
- 0978US7625652B2Multilayer electrolyte membraneBASF FUEL CELL GMBH·Filed 2003·Granted Dec 1, 2009·12 cites·16 claims
- 1078US7229553B2Method for producing a membrane made of bridged polymer and a fuel cellPEMEAS GMBH·Filed 2002·Granted Jun 12, 2007·15 cites·22 claims
- 1175US7462223B2Method for producing a membrane from a crosslinked polymer blend, and corresponding fuel cellBASF FUEL CELL GMBH·Filed 2002·Granted Dec 9, 2008·15 cites·24 claims
- 1274US7745030B2Proton-conducting polymer membrane comprising sulfonic acid-containing polyazoles, and use thereof in fuel cellsBASF FUEL CELL GMBH·Filed 2003·Granted Jun 29, 2010·12 cites·27 claims
- 1374US7736779B2Proton-conducting polymer membrane containing polyazole blends, and application thereof in fuel cellsBASF FUEL CELL·Filed 2003·Granted Jun 15, 2010·13 cites·27 claims
- 1471US7661542B2Proton-conducting polymer membrane that contains polyazoles and is coated with a catalyst layer, and application therof in fuel cellsBASF FUEL CELL GMBH·Filed 2003·Granted Feb 16, 2010·13 cites·32 claims
- 1565US7736778B2Proton conducting polymer membrane comprising phosphonic acid groups containing polyazoles and the use thereof in fuel cellsBASF FUEL CELL GMBH·Filed 2003·Granted Jun 15, 2010·12 cites·29 claims
- 1665US7727651B2Proton-conducting polymer membrane comprising polymers containing phosphonic acid groups and its use in fuel cellsBASF FUEL CELL GMBH·Filed 2003·Granted Jun 1, 2010·5 cites·26 claims
- 1765US7285325B2Membranes having improved mechanical properties, for use in fuel cellsBASF FUEL CELL GMBH·Filed 2001·Granted Oct 23, 2007·7 cites·20 claims
- 1864US2015125779A1Method for conditioning membrane-electrode-units for fuel cellsBASF FUEL CELL GMBH·Filed 2014·Application pending·0 cites
- 1964US2010047669A1Multilayer electrolyte membraneBASF FUEL CELL GMBH·Filed 2009·Application pending·0 cites
- 2060US8293806B2Proton-conducting membrane and the use of the sameCALUNDANN GORDON·Filed 2011·Granted Oct 23, 2012·0 cites·23 claims
- 2160US8022603B2Piezoelectric actuatorDELPHI TECH HOLDING SARL·Filed 2007·Granted Sep 20, 2011·2 cites·6 claims
- 2259US7883818B2Process for producing proton-conducting polymer membranes, improved polymer membranes and the use thereof in fuel cellsBASF FUEL CELL GMBH·Filed 2003·Granted Feb 8, 2011·6 cites·20 claims
- 2356US8013026B2Proton-conducting membrane and the use of the sameCALUNDANN GORDON·Filed 2010·Granted Sep 6, 2011·0 cites·23 claims
- 2455US7834131B2Asymmetric polymer film, method for the production and utilization thereofBASF FUEL CELL GMBH·Filed 2007·Granted Nov 16, 2010·0 cites·19 claims
- 2555US2008280182A1Polymer membrane, method for the production and use thereofUENSAL OEMER·Filed 2007·Application pending·0 cites
- 2655US2010227252A1Proton-conducting polymer membrane comprising polymers containing phosphonic acid groups and its use in fuel cellsBASF FUEL CELL GMBH·Filed 2010·Application pending·0 cites
- 2755US2007292734A1Polymer electrolyte membrane, method for the production thereof, and application thereof in fuel cellsKIEFER JOACHIM·Filed 2007·Application pending·0 cites
- 2854US8168105B2Polymer membrane, method for the production and use thereofUENSAL OEMER·Filed 2010·Granted May 1, 2012·0 cites·14 claims
- 2954US8076379B2Proton-conducting membrane and the use thereofCALUNDANN GORDON·Filed 2003·Granted Dec 13, 2011·1 cites·19 claims
- 3047US2006166067A1Polymer electrolyte membrane, method for the production thereof, and application thereof in fuel cellsKIEFER JOACHIM·Filed 2003·Application pending·0 cites
- 3147US2005053820A1Proton-conducting membrane and the use of the sameFiled 2002·Application pending·0 cites
- 3246US2008038624A1Proton-conducting polymer membrane coated with a catalyst layer, said polymer membrane comprising phosphonic acid polymers, membrane/electrode unit and use thereof in fuel cellsBELACK JORG·Filed 2007·Application pending·0 cites
- 3345US2010258086A1Piezoelectric DeviceDELPHI TECHNOLOGIES·Filed 2007·Application pending·0 cites
- 3444US7846982B2Proton conducting electrolyte membrane having reduced methanol permeability and the use thereof in fuel cellsPEMEAS GMBH·Filed 2003·Granted Dec 7, 2010·0 cites·13 claims
- 3544US7795372B2Polymer film based on polyazoles, and uses thereofBASF FUEL CELL GMBH·Filed 2003·Granted Sep 14, 2010·0 cites·26 claims
- 3644US2004247974A1Polymer membrane, method for the production and use thereofFiled 2002·Application pending·0 cites
- 3744US2004262227A1Polyazole-based polymer filmsKIEFER JOACHIM·Filed 2002·Application pending·0 cites
- 3843US2007202415A1Proton-Conducting Polymer Membrane Comprising At Least One Porous Carrier Material, And Use Thereof In Fuel CellsPEMEAS GMBH·Filed 2004·Application pending·0 cites
- 3942US7846983B2Proton conducting electrolyte membrane for use in high temperatures and the use thereof in fuel cellsBASF FUEL CELL GMBH·Filed 2003·Granted Dec 7, 2010·0 cites·9 claims
- 4041US2005175879A1Grafted polymer electrolyte membrane, method for the production thereof, and application thereof in fuel cellsFiled 2003·Application pending·0 cites
- 4141US2005118478A1Mixture comprising sulphonic acid containing vinyl, polymer electrolyte membrane comprising polyvinylsulphonic acid and the use thereof in fuel cellsFiled 2003·Application pending·0 cites
- 4241US2009302135A1Protective EncapsulationKIEFER JOACHIM R·Filed 2007·Application pending·0 cites
- 4341US2005147859A1Mixture comprising phosphonic acid containing vinyl, polymer electrolyte membranes comprising polyvinylphoshphonic acid and the use thereof in fuel cellsFiled 2003·Application pending·0 cites
- 4436US2010180865A1Barrier Coatings for a Piezoelectric DeviceVENDULET JOACHIM·Filed 2007·Application pending·0 cites
- 4532US8236115B2Method for enshrouding an actuatorJAMIL SHAHID·Filed 2007·Granted Aug 7, 2012·0 cites·18 claims
- 4630US2018289146A1Construction kit for the production of brush production machines, brush production machine, and type series of brush production machinesZAHORANSKY AG·Filed 2018·Application pending·0 cites
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