HW

Hartmut Westphal

KE Kennametal: 10 patents #87 of 844Top 15%
WG Widia Gmbh: 8 patents #5 of 51Top 10%
KC Kennametal Widia Produktions Gmbh & Co.Kg: 2 patents #6 of 27Top 25%
📍 Dermbach, DE: #1 of 4 inventorsTop 25%
Overall (All Time): #208,872 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
9994717 CVD-coated article and CVD process of making the same Volkmar Sottke, Karl Heinz Wendt, Peter R. Leicht, Rodrigo Alejandro Cooper, Yixiong Liu 2018-06-12
9427808 Refractory coatings for cutting tools Volkmar Sottke, Karl Heinz Wendt, Peter R. Leicht, Yixiong Liu 2016-08-30
9181620 Coatings for cutting tools Karl Heinz Wendt, Volkmar Sottke, Peter R. Leicht, Yixiong Liu, Mark S. Greenfield 2015-11-10
9017809 Coatings for cutting tools Volkmar Sottke, Doris Lenk, Hendrikus Van Den Berg, Peter R. Leicht, Mark S. Greenfield +1 more 2015-04-28
8828492 Method of making aluminum oxynitride coated article Volkmar Sottke, Hendrikus Van Den Berg, Zhigang Ban, Yixiong Liu, Mark S. Greenfield 2014-09-09
8668982 Coated cutting insert and method for making the same Peter R. Leicht, Mark S. Greenfield, Volkmar Sottke, Zhigang Ban, Yixiong Liu +1 more 2014-03-11
8574728 Aluminum oxynitride coated article and method of making the same Volkmar Sottke, Hendrkus Van Den Berg, Zhigang Ban, Yixiong Liu, Mark S. Greenfield 2013-11-05
8394513 Body coated with hard material Hendrikus Van Den Berg, Volkmar Sottke 2013-03-12
8389134 Body coated with hard material Hendrikus Van Den Berg, Volkmar Sottke 2013-03-05
8323783 Coated cutting insert and method for making the same Volkmar Sottke, Zhigang Ban, Yixiong Liu, Michael Frank Beblo 2012-12-04
8012535 Method for producing a coated substrate body, substrate body comprising a coating and use of the coated substrate body Volkmar Sottke, Doris Lenk, Hendrikus Van Den Berg 2011-09-06
7431998 Tool and method for the chemical vapor deposition of a two-phase layer on a substrate member Volkmar Sottke, Hendrikus Van Den Berg 2008-10-07
7326461 Composite material Volkmar Sottke, Hendrikus Van Den Berg 2008-02-05
6884496 Method for increasing compression stress or reducing internal tension stress of a CVD, PCVD or PVD layer and cutting insert for machining Volkmar Sottke 2005-04-26
6660371 Composite material coating and a method for the production thereof Volkmar Sottke 2003-12-09
6350510 Processing insert, and production of same Udo Konig, Hendrikus Van Den Berg, Volkmar Sottke 2002-02-26
6248434 Composite body comprising a hard metal, cermet or ceramic substrate body and method of producing same Klaus Rodiger, Klaus Dreyer, Thorsten Gerdes, Monika Willert-Porada 2001-06-19
6235416 Composite body and production process Udo Konig, Volkmar Sottke 2001-05-22
6224968 Composite body, production process and use Hendrikus Van Den Berg, Udo Konig, Klaus Dreyer, Volkmar Sottke 2001-05-01
6079913 Cutting tool, process for coating a cutting tool and use thereof Udo Konig, Ralf Tabersky 2000-06-27
5981078 Composite body and process for its production Ralf Tabersky, Hendrikus Van Den Berg, Udo Konig, Volkmar Sottke 1999-11-09