Inventor
MEHROTRA PANKAJ K
US44 patents
⚠️ This page may combine multiple inventors who share the name “MEHROTRA PANKAJ K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KENNAMETAL INC
37 patentsUS5525134AJun 11, 1996
Silicon nitride ceramic and cutting tool made thereof
KENNAMETAL INC134 citations97
US6905992B2Jun 14, 2005
Ceramic body reinforced with coarse silicon carbide whiskers and method for making the same
KENNAMETAL INC55 citations96
US5024976AJun 18, 1991
Alumina-zirconia-silicon carbide-magnesia ceramic cutting tools
KENNAMETAL INC64 citations96
US4880755ANov 14, 1989
Sialon cutting tool composition
KENNAMETAL INC82 citations96
US5628590AMay 13, 1997
Ceramic cutting tool with chip control
KENNAMETAL INC34 citations95
US5141367AAug 25, 1992
Ceramic cutting tool with chip control
KENNAMETAL INC63 citations95
US4826791AMay 2, 1989
Silicon carbide-alpha prime sialon beta prime sialon
KENNAMETAL INC57 citations94
US5330296AJul 19, 1994
Ceramic cutting tool with chip control
KENNAMETAL INC24 citations92
US5059564AOct 22, 1991
Alumina-titanium carbide-silicon carbide composition
KENNAMETAL INC25 citations92
US4959331ASep 25, 1990
Alumina-zirconia-silicon carbide-magnesia cutting tools
KENNAMETAL INC31 citations92
US4852999AAug 1, 1989
Cutting tool
KENNAMETAL INC26 citations92
US4801510AJan 31, 1989
Alumina coated silcon carbide whisker-alumina composition
KENNAMETAL INC32 citations92
US7785665B2Aug 31, 2010
Alumina coating, coated product and method of making the same
KENNAMETAL INC17 citations91
US7455918B2Nov 25, 2008
Alumina coating, coated product and method of making the same
KENNAMETAL INC34 citations91
US5382273AJan 17, 1995
Silicon nitride ceramic and cutting tool made thereof
KENNAMETAL INC24 citations91
US4820663AApr 11, 1989
Whisker reinforced ceramic and a method of clad/hot isostatic pressing same
KENNAMETAL INC33 citations91
US5632941AMay 27, 1997
Group IVB boride based articles, articles, cutting tools, methods of making, and method of machining group IVB based materials
KENNAMETAL INC34 citations90
US5370716ADec 6, 1994
High Z sialon and cutting tools made therefrom and method of using
KENNAMETAL INC50 citations90
US5955390ASep 21, 1999
Whisker reinforced ceramic cutting tool and composition thereof
KENNAMETAL INC27 citations89
US9079778B2Jul 14, 2015
Production of near-stoichiometric spherical tungsten carbide particles
KENNAMETAL INC26 citations86
US5476025ADec 19, 1995
Method of using a ceramic cutting tool with chip control
KENNAMETAL INC19 citations81
US5350258ASep 27, 1994
Ceramic cutting tool with chip control
KENNAMETAL INC12 citations81
US5505751AApr 9, 1996
Cutting tool
KENNAMETAL INC6 citations73
US4965231AOct 23, 1990
Alumina-zirconia-silicon carbide-magnesia compositions and articles made therefrom
KENNAMETAL INC14 citations73
US4960735AOct 2, 1990
Alumina-zirconia-silicon carbide-magnesia ceramics
KENNAMETAL INC14 citations73
US4959332ASep 25, 1990
Alumina-zirconia-carbide whisker reinforced cutting tools
KENNAMETAL INC18 citations73
US4925458AMay 15, 1990
Cutting tool
KENNAMETAL INC6 citations73
US4956315ASep 11, 1990
Whisker reinforced ceramics and a method of clad/hot isostatic pressing same
KENNAMETAL INC12 citations72
US4913936AApr 3, 1990
Method of surface alloying sialon articles
KENNAMETAL INC15 citations72
US10940538B2Mar 9, 2021
Grade powders and sintered cemented carbide compositions
KENNAMETAL INC3 citations71
US7485278B2Feb 3, 2009
Method for making silicon carbide whiskers
KENNAMETAL INC2 citations63
US5397370AMar 14, 1995
Cutting tool
KENNAMETAL INC1 citations62
US11958115B2Apr 16, 2024
Grade powders and sintered cemented carbide compositions
KENNAMETAL INC0 citations60
US5580836ADec 3, 1996
Group IVB based materials
KENNAMETAL INC3 citations60
US9440294B2Sep 13, 2016
Modular cutting insert and method of making same
KENNAMETAL INC0 citations52
US9796633B2Oct 24, 2017
Aqueous slurry for making a powder of hard material
KENNAMETAL INC0 citations45
US9475945B2Oct 25, 2016
Aqueous slurry for making a powder of hard material
KENNAMETAL INC0 citations45
KENNAMETAL PC INC
3 patentsUS6204213B1Mar 20, 2001
Whisker reinforced ceramic cutting tool and composition thereof
KENNAMETAL PC INC42 citations89
US6610113B1Aug 26, 2003
Process for heat treating ceramics and articles of manufacture made thereby
KENNAMETAL PC INC17 citations87
US6737010B2May 18, 2004
Process for heat treating ceramics
KENNAMETAL PC INC1 citations47