Inventor · disambiguated record
Frank Schrumpf
Also filed as: SCHRUMPF FRANK
13 granted patents·3 pending applications·41 citations·filing 1996–2012
88Inventor score
Top patents by PatentIndex Score
16 records- 0180US9856546B2Metal powderFischer Jürgen·Filed 2007·Granted Jan 2, 2018·7 cites·16 claims
- 0267US7048843B2Method for producing metal hydroxides or alkaline metal carbonatesSTARCK H C GMBH·Filed 2001·Granted May 23, 2006·7 cites·16 claims
- 0357US6752918B1Method for producing nickel hydroxidesSTARCK H C GMBH·Filed 2000·Granted Jun 22, 2004·3 cites·10 claims
- 0455US8216533B2Method for producing ammonium paratungstate hydrates and ammonium paratungstate decahydrateSTOLLER VIKTOR·Filed 2008·Granted Jul 10, 2012·0 cites·20 claims
- 0553US7563431B2Nickel hydroxide and method for producing sameSTARCK H C GMBH·Filed 2002·Granted Jul 21, 2009·2 cites·12 claims
- 0651US8052956B2Tungstic acid powder consisting of spherical tungsten particles and method for producing sameSTARCK H C GMBH·Filed 2005·Granted Nov 8, 2011·0 cites·12 claims
- 0750US2009018010A1Metal BoridesSTARCK H C GMBH CO KG·Filed 2006·Application pending·0 cites
- 0847US8440161B2Ammonium paratungstate hydrates and ammonium paratungstate decahydrateSTOLLER VIKTOR·Filed 2012·Granted May 14, 2013·0 cites·9 claims
- 0947US2010077887A1Metal formulationsSTARCK H C GMBH·Filed 2008·Application pending·0 cites
- 1046US8454931B2Tungstic acid powder consisting of spherical tungsten particles and method for producing sameALBRECHT SVEN·Filed 2011·Granted Jun 4, 2013·0 cites·6 claims
- 1145US8449855B2Inorganic compoundsSCHRUMPF FRANK·Filed 2011·Granted May 28, 2013·0 cites·22 claims
- 1245US6277305B1Cobaltous oxide containing finely-dispersed metallic cobalt, methods of producing the same and use thereofSTARCK H C GMBH CO KG·Filed 1996·Granted Aug 21, 2001·3 cites·10 claims
- 1345US2004131530A1Spheroidally agglomerated basic cobalt(II) carbonate and spheroidally agglomerated cobalt(II) hydroxide, a process for producing them and their useFiled 2003·Application pending·0 cites
- 1443US6015447ACobalt metal agglomerates, a method of producing them and their useSTARCK H C GMBH CO KG·Filed 1996·Granted Jan 18, 2000·10 cites·10 claims
- 1539US6699453B1Spheroidally agglomerated basic cobalt(II) carbonate and spheroidally agglomerated cobalt(II) hydroxide, process for their production and their useSTARCK H C GMBH CO KG·Filed 1996·Granted Mar 2, 2004·4 cites·7 claims
- 1633US6183621B1Basic cobaltous carbonates, process for preparing the same and their useH C STACK GMBH & CO KG·Filed 1996·Granted Feb 6, 2001·5 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →