Inventor · disambiguated record
Hartmut Westphal
Also filed as: WESTPHAL HARTMUT
21 granted patents·1 pending application·352 citations·filing 1996–2015
95Inventor score
Files withWIDIA GMBH8KENNAMETAL INC5KENNAMETAL WIDIA PROD GMBH2SOTTKE VOLKMAR2VAN DEN BERG HENDRIKUS2
Top patents by PatentIndex Score
22 records- 0193US6884496B2Method for increasing compression stress or reducing internal tension stress of a CVD, PCVD or PVD layer and cutting insert for machiningWIDIA GMBH·Filed 2001·Granted Apr 26, 2005·62 cites·10 claims
- 0290US8389134B2Body coated with hard materialVAN DEN BERG HENDRIKUS·Filed 2009·Granted Mar 5, 2013·12 cites·15 claims
- 0387US8394513B2Body coated with hard materialVAN DEN BERG HENDRIKUS·Filed 2009·Granted Mar 12, 2013·10 cites·21 claims
- 0486US9017809B2Coatings for cutting toolsKENNAMETAL INC·Filed 2013·Granted Apr 28, 2015·4 cites·26 claims
- 0584US8828492B2Method of making aluminum oxynitride coated articleKENNAMETAL INC·Filed 2013·Granted Sep 9, 2014·2 cites·17 claims
- 0684US6350510B1Processing insert, and production of sameWIDIA GMBH·Filed 1998·Granted Feb 26, 2002·61 cites·14 claims
- 0782US8574728B2Aluminum oxynitride coated article and method of making the sameSOTTKE VOLKMAR·Filed 2011·Granted Nov 5, 2013·3 cites·9 claims
- 0879US9181620B2Coatings for cutting toolsKENNAMETAL INC·Filed 2014·Granted Nov 10, 2015·1 cites·34 claims
- 0978US6660371B1Composite material coating and a method for the production thereofWIDIA GMBH·Filed 1999·Granted Dec 9, 2003·46 cites·8 claims
- 1078US5981078AComposite body and process for its productionWIDIA GMBH·Filed 1996·Granted Nov 9, 1999·39 cites·13 claims
- 1177US7326461B2Composite materialKENNAMETAL WIDIA GMBH & CO KG·Filed 2003·Granted Feb 5, 2008·20 cites·9 claims
- 1277US6248434B1Composite body comprising a hard metal, cermet or ceramic substrate body and method of producing sameWIDIA GMBH·Filed 1997·Granted Jun 19, 2001·39 cites·19 claims
- 1376US8323783B2Coated cutting insert and method for making the sameSOTTKE VOLKMAR·Filed 2009·Granted Dec 4, 2012·3 cites·19 claims
- 1470US8012535B2Method for producing a coated substrate body, substrate body comprising a coating and use of the coated substrate bodyKENNAMETAL WIDIA PROD GMBH·Filed 2006·Granted Sep 6, 2011·6 cites·15 claims
- 1569US8668982B2Coated cutting insert and method for making the sameLEICHT PETER·Filed 2011·Granted Mar 11, 2014·1 cites·23 claims
- 1666US9427808B2Refractory coatings for cutting toolsKENNAMETAL INC·Filed 2013·Granted Aug 30, 2016·0 cites·41 claims
- 1761US6224968B1Composite body, production process and useWIDIA GMBH·Filed 1996·Granted May 1, 2001·22 cites·18 claims
- 1859US7431998B2Tool and method for the chemical vapor deposition of a two-phase layer on a substrate memberKENNAMETAL WIDIA PROD GMBH·Filed 2004·Granted Oct 7, 2008·3 cites·14 claims
- 1953US6235416B1Composite body and production processWIDIA GMBH·Filed 1997·Granted May 22, 2001·15 cites·25 claims
- 2053US2010151260A1Method of coating a hard-metal or cermet substrate and coated hard-metal or cermet bodyWESTPHAL HARTMUT·Filed 2006·Application pending·0 cites
- 2151US9994717B2CVD-coated article and CVD process of making the sameKENNAMETAL INC·Filed 2015·Granted Jun 12, 2018·0 cites·23 claims
- 2233US6079913ACutting tool, process for coating a cutting tool and use thereofWIDIA GMBH·Filed 1996·Granted Jun 27, 2000·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →