P

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 patents
US5525134AJun 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 patents

MCNERNY CHARLES G

1 patent

GATES JR ALFRED S

1 patent

GEY CHRISTOPH

1 patent

MEHROTRA PANKAJ K

1 patent