KENNAMETAL PC INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23B TURNING; BORING 151
 
  
 
C22C ALLOYS 171
 
  
 
E21B EARTH OR ROCK DRILLING 195

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6786119 Toolholder assemblyNov 28, 00Sep 07, 04[B23B]
6524363 Diamond coated cutting tools and method of manufactureMar 22, 02Feb 25, 03[E21B]
6368377 Tungsten carbide nickel-chromium alloy hard member and tools using the sameSep 21, 00Apr 09, 02[C22C]
D409632 Cutting tool insertsFeb 20, 98May 11, 99[1509]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6497537 Slotting cutter with cartridge assemblyExpiredDec 17, 99Dec 24, 02[B23C]
6431799 Slotting cutterExpiredDec 17, 99Aug 13, 02[B23B, B23C]
6315064 Rotatable cutting bit assembly with cutting insertsExpiredSep 21, 00Nov 13, 01[E21B]
6267541 Indexable insert with a V-shaped chip breakerExpiredJul 09, 99Jul 31, 01[B23B]
6247878 Device and method for adjusting the position of cutting inserts mounted in a cutting toolExpiredOct 12, 99Jun 19, 01[B23B]
6204213 Whisker reinforced ceramic cutting tool and composition thereofExpiredSep 18, 99Mar 20, 01[C04B]
6190096 Indexable cutting insert with indexing marksExpiredAug 07, 96Feb 20, 01[B23B]
6183687 Hard composite and method of making the sameExpiredAug 11, 95Feb 06, 01[B22F]
6176332 Rotatable cutting bit assembly with cutting insertsExpiredDec 31, 98Jan 23, 01[E21B]
6170368 Detachable chipbreaker for a cutting insertExpiredFeb 12, 99Jan 09, 01[B23B]
6170917 Pick-style tool with a cermet insert having a Co-Ni-Fe-binderExpiredAug 27, 97Jan 09, 01[E21C, C22C]
6129422 Cutting tool holder retention systemExpiredDec 31, 98Oct 10, 00[E21C]
6048257 Abrasive pad holderExpiredOct 02, 98Apr 11, 00[B24B]
5996714 Rotatable cutting bit assembly with wedge-lock retention assemblyExpiredJul 15, 97Dec 07, 99[E21B]
5947657 Drill jig assembly having hydraulic chuck and drill guide with pilot boreExpiredAug 14, 98Sep 07, 99[B23B]
5941664 Toolholder having impeller-type coolant inducerExpiredSep 04, 97Aug 24, 99[B23C]
5927411 Connector with variable resistance retention memberExpiredApr 16, 97Jul 27, 99[B23B, F16L, E21B]
5833323 Cutting toolholder retention systemExpiredFeb 03, 97Nov 10, 98[E21C]
5812924 Method and apparatus for a powder metallurgical processExpiredNov 04, 97Sep 22, 98[B22F]
5803194 Wear protector for a drilling toolExpiredNov 19, 96Sep 08, 98[E21B]

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