WIDIA GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23B TURNING; BORING 2032
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM9148
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 893
 
  
 
B23C MILLING 726
 
  
 
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER 349
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 365
 
  
 
C22C ALLOYS 369
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 254
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 235
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6884496 Method for increasing compression stress or reducing internal tension stress of a CVD, PCVD or PVD layer and cutting insert for machiningOct 16, 02Apr 26, 05[C23C]
6805520 Side-milling cutterOct 17, 02Oct 19, 04[B23B]
6660371 Composite material coating and a method for the production thereofMar 14, 01Dec 09, 03[B32B]
6506226 Hard metal or cermet body and method for producing the sameNov 03, 00Jan 14, 03[B22F, C22C]
6374472 Method of and apparatus for machining crankpinsDec 02, 97Apr 23, 02[B23B, B23C]
6350510 Processing insert, and production of sameNov 01, 99Feb 26, 02[C23C, B32B]
6293986 Hard metal or cermet sintered body and method for the production thereofAug 04, 99Sep 25, 01[C22C]
6273651 Cutting tip for cutting out profilesMar 03, 00Aug 14, 01[B23B]
6257807 Cutting insert for drilling and drillApr 05, 99Jul 10, 01[B23B]
6248434 Composite body comprising a hard metal, cermet or ceramic substrate body and method of producing sameJun 03, 99Jun 19, 01[C23C, C04B, B22F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6935815 Cutting insertExpiredJul 19, 01Aug 30, 05[B23B]
2005/0115,742 Hard metal or cermet cutting material and the use thereofAbandonedSep 24, 04Jun 02, 05[E21B]
6802679 Drilling toolExpiredSep 24, 02Oct 12, 04[B23B]
2004/0141,867 Composite material and method for production thereofAbandonedNov 17, 03Jul 22, 04[B32B]
6641337 Cutting insert and tool having a cutting insertExpiredJun 12, 01Nov 04, 03[B26D, B32P]
6630653 Device for adjusting the distribution of microwave energy density in an applicator and use of this deviceExpiredJun 18, 02Oct 07, 03[H05B]
2003/0108,752 Substrate body coated with multiple layers and method for the production thereofAbandonedOct 07, 02Jun 12, 03[C23C, B05D, B32B]
6528171 Tool with a molybdenum sulfide containing coating and method for its productionExpiredJul 25, 01Mar 04, 03[C23C, B32B]
6521349 Tool with a molybdenum sulfide coating and method for producing the sameExpiredJul 25, 01Feb 18, 03[C23C, B32B]
2003/0031,520 Cutting insertAbandonedSep 05, 02Feb 13, 03[B23B, B23P]
6284366 Cutting tool and method of making sameExpiredJun 01, 99Sep 04, 01[B32B]
6159909 Cutting insert for machiningExpiredAug 24, 99Dec 12, 00[C23C, C10M]
6079913 Cutting tool, process for coating a cutting tool and use thereofExpiredMay 01, 98Jun 27, 00[B23B]
6053082 Holder for orbitable toolExpiredMar 25, 99Apr 25, 00[B23B]
5977529 Method, device for the heat treatment of materials in a microwave oven and use of this method and deviceExpiredOct 09, 97Nov 02, 99[H05B]
5869147 Method of making a multilayer tool surface with PCNA interruption of CVD, and tool made by the processExpiredSep 27, 96Feb 09, 99[C23C, B26D, H05H]
5856032 Cermet and process for producing itExpiredSep 30, 96Jan 05, 99[B32B]
5839856 Boring toolExpiredApr 28, 97Nov 24, 98[B23B]
5839857 Cutting insertExpiredDec 13, 96Nov 24, 98[B23B]
5836723 Machining toolExpiredOct 25, 96Nov 17, 98[B23B]

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