Inventor · disambiguated record
Mark S. Greenfield
Also filed as: GREENFIELD MARK · GREENFIELD MARK S
29 granted patents·1 pending application·353 citations·filing 1978–2017
96Inventor score
Top patents by PatentIndex Score
30 records- 0194US6554548B1Chromium-containing cemented carbide body having a surface zone of binder enrichmentKENNAMETAL INC·Filed 2000·Granted Apr 29, 2003·36 cites·29 claims
- 0291US8080323B2Cutting insert with a wear-resistant coating scheme exhibiting wear indication and method of making the sameBAN ZHIGANG·Filed 2008·Granted Dec 20, 2011·27 cites·30 claims
- 0390US9365925B2Multilayer structured coatings for cutting toolsKENNAMETAL INC·Filed 2014·Granted Jun 14, 2016·4 cites·20 claims
- 0489US9656873B2Purification of tungsten carbide compositionsKENNAMETAL INC·Filed 2014·Granted May 23, 2017·5 cites·24 claims
- 0588US8409695B2Multilayer nitride hard coatingsNI WANGYANG·Filed 2010·Granted Apr 2, 2013·11 cites·10 claims
- 0688US6866921B2Chromium-containing cemented carbide body having a surface zone of binder enrichmentKENNAMETAL INC·Filed 2003·Granted Mar 15, 2005·20 cites·40 claims
- 0786US9017809B2Coatings for cutting toolsKENNAMETAL INC·Filed 2013·Granted Apr 28, 2015·4 cites·26 claims
- 0884US8828492B2Method of making aluminum oxynitride coated articleKENNAMETAL INC·Filed 2013·Granted Sep 9, 2014·2 cites·17 claims
- 0984US6998173B2Cemented carbide tool and method of makingKENNAMETAL INC·Filed 2002·Granted Feb 14, 2006·38 cites·30 claims
- 1082US8574728B2Aluminum oxynitride coated article and method of making the sameSOTTKE VOLKMAR·Filed 2011·Granted Nov 5, 2013·3 cites·9 claims
- 1181US6638474B2method of making cemented carbide toolKENNAMETAL INC·Filed 2001·Granted Oct 28, 2003·29 cites·24 claims
- 1280US9371580B2Coated body wherein the coating scheme includes a coating layer of TiAl2O3 and method of making the sameKENNAMETAL INC·Filed 2014·Granted Jun 21, 2016·1 cites·16 claims
- 1379US9181620B2Coatings for cutting toolsKENNAMETAL INC·Filed 2014·Granted Nov 10, 2015·1 cites·34 claims
- 1472US4886710AMining/construction tool bit having bit body fabricated from Mn-B steel alloy compositionKENNAMETAL INC·Filed 1987·Granted Dec 12, 1989·20 cites·5 claims
- 1569US8668982B2Coated cutting insert and method for making the sameLEICHT PETER·Filed 2011·Granted Mar 11, 2014·1 cites·23 claims
- 1669US8568866B2Multilayer nitride hard coatingsKENNAMETAL INC·Filed 2013·Granted Oct 29, 2013·2 cites·32 claims
- 1768US9181621B2Coatings for cutting toolsKENNAMETAL INC·Filed 2014·Granted Nov 10, 2015·0 cites·23 claims
- 1868US5623723AHard composite and method of making the sameFiled 1995·Granted Apr 22, 1997·36 cites·22 claims
- 1967US10253410B2PVD-coated cutting tools and method for making the sameKENNAMETAL INC·Filed 2017·Granted Apr 9, 2019·0 cites·20 claims
- 2067US9903018B2Coated body wherein the coating scheme includes a coating layer of TiAl2O3 and method of making the sameKENNAMETAL INC·Filed 2016·Granted Feb 27, 2018·0 cites·10 claims
- 2167US4189013ARoof drill bitGTE SYLVANIA INC·Filed 1978·Granted Feb 19, 1980·34 cites·9 claims
- 2264US5112411AProcess of making mining/construction tool bit body fabricated from MN/B steel alloy compositionKENNAMETAL INC·Filed 1990·Granted May 12, 1992·12 cites·4 claims
- 2361US9650713B2PVD-coated cutting tools and method for making the sameKENNAMETAL INC·Filed 2015·Granted May 16, 2017·0 cites·24 claims
- 2459US4389074AMine tools utilizing copper-manganese nickel brazing alloysGTE PROD CORP·Filed 1981·Granted Jun 21, 1983·19 cites·5 claims
- 2556US4859543AEarth working tool having a working element fabricated from cemented tungsten carbide compositions with enhanced propertiesKENNAMETAL INC·Filed 1987·Granted Aug 22, 1989·19 cites·12 claims
- 2652US4817743AButterfly-type shim having semi-opened bottom and double sandwich braze joint produced therewithKENNAMETAL INC·Filed 1987·Granted Apr 4, 1989·23 cites·2 claims
- 2739US8409734B2Coated substrates and methods of making sameBAN ZHIGANG·Filed 2011·Granted Apr 2, 2013·0 cites·23 claims
- 2839US2008014421A1Coated cutting tool with anodized top layer and method of making the sameINSPEKTOR AHARON·Filed 2006·Application pending·0 cites
- 2937US5008073AMn-B steel alloy compositionKENNAMETAL INC·Filed 1989·Granted Apr 16, 1991·4 cites·2 claims
- 3032US6183687B1Hard composite and method of making the sameKENNAMETAL INC·Filed 1995·Granted Feb 6, 2001·2 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →