Inventor · disambiguated record
Holger Keller
Also filed as: KELLER HOLGER
9 granted patents·2 pending applications·40 citations·filing 2003–2021
85Inventor score
Files withOTTO ZIMMERMANN GMBH3JUST BERTHOLD2OTTO ZIMMERMANN MASCHINEN—UND APPBAU MIT BESCHRAENKTER HAFTUNG2GLAUNER UDO1KELLER HOLGER1
Top patents by PatentIndex Score
11 records- 0181US7967115B2Brake disc, particularly an internally ventilated brake discOTTO ZIMMERMANN GMBH·Filed 2006·Granted Jun 28, 2011·9 cites·10 claims
- 0274US8470916B2Halogen-free flame retardantsGLAUNER UDO·Filed 2009·Granted Jun 25, 2013·6 cites·21 claims
- 0371US8058329B2Nitrous bridged derivatives of 6H-dibenz[c,e][1,2]-oxaphosphorine-6-oxides, process for the preparation and use thereofJUST BERTHOLD·Filed 2005·Granted Nov 15, 2011·6 cites·23 claims
- 0467US8758492B2Sonotrode and device for reducing and eliminating foaming of liquid productsTELSONIC HOLDING AG·Filed 2012·Granted Jun 24, 2014·2 cites·19 claims
- 0565USD842781SBrake discOTTO ZIMMERMANN GMBH·Filed 2016·Granted Mar 12, 2019·12 cites·1 claims
- 0646US7951878B2Halogen-free flameproof epoxy resin formulationsSCHILL & SEILACHER & LDQUO STRUKTOL & RDQUO AG·Filed 2006·Granted May 31, 2011·0 cites·22 claims
- 0741US2010280215A1Nitrous bridged derivatives of 6h-dibenz[c,e][1,2]-oxaphosphorine-6-oxides, process for the preparation and use thereofJUST BERTHOLD·Filed 2010·Application pending·0 cites
- 0839USD850338SBrake discOTTO ZIMMERMANN GMBH·Filed 2016·Granted Jun 4, 2019·3 cites·1 claims
- 0935USD902098SBrake discOTTO ZIMMERMANN MASCHINEN UND APPBAU MIT BESCHRAENKTER HAFTUNG·Filed 2019·Granted Nov 17, 2020·2 cites·1 claims
- 1028USD969692SBrake discOTTO ZIMMERMANN MASCHINEN—UND APPBAU MIT BESCHRAENKTER HAFTUNG·Filed 2021·Granted Nov 15, 2022·0 cites·1 claims
- 1128US2005247908A1Curing agents for epoxy resins, use thereof and epoxy resin cured therewithKELLER HOLGER·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →