Valmet-Karlstad AB

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D21F PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON623
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES574
 
  
 
B30B PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR 121
 
  
 
B31F MECHANICAL WORKING OR DEFORMATION OF PAPER OR CARDBOARD 124
 
  
 
D21H PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR 137
 
  
 
F26B DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM 129
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6805317 Adhesive dispenser in a reel-up in a paper machineNov 28, 00Oct 19, 04[B65H]
6705560 Method for winding a tissue web in a reel-up in a paper machineNov 28, 00Mar 16, 04[B65H]
6287426 Paper machine for manufacturing structured soft paperSep 09, 99Sep 11, 01[D21F]
6145778 Reel-up and method of controlling nip load thereinMar 16, 99Nov 14, 00[B65H]
6079116 Duct configuration for a through-air drying apparatus in a papermaking machineNov 06, 98Jun 27, 00[F26B]
6045085 Adhesive dispensing device in a reel-up in a paper machineApr 16, 98Apr 04, 00[B65H]
6042694 Shoe pressSep 30, 98Mar 28, 00[B31F, D21H, D21F, B30B]
5904813 Press roll with jacket edge clamping ringOct 17, 97May 18, 99[D21F]
5745244 Scanning device for scanning a physical property of a fibrous webAug 09, 96Apr 28, 98[G01N]
5547547 Compact frame assembly for a press in a papermaking or boardmakingNov 29, 94Aug 20, 96[D21F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6440273 Compact multilevel paper making machine for manufacturing a web of paperExpiredDec 16, 99Aug 27, 02[D21F]
6425981 Apparatus and associated method for drying a wet web of paperExpiredDec 16, 99Jul 30, 02[D21F]
6260788 Reel-up and associated methodExpiredOct 05, 99Jul 17, 01[B65H]
6261415 Paper machineExpiredAug 26, 99Jul 17, 01[D21F]
6199296 Seal arrangement for through-air drying papermaking machineExpiredDec 16, 99Mar 13, 01[D06F]
6176975 HeadboxExpiredJan 14, 99Jan 23, 01[D21F]
6165324 Multi-layer headbox and separator vane thereforExpiredFeb 23, 99Dec 26, 00[D21F]
6159342 Shoe pressExpiredSep 30, 98Dec 12, 00[D21F]
6152670 Storage arrangement for cores of a papermaking machineExpiredFeb 03, 98Nov 28, 00[B65G]
6139691 Shoe pressExpiredSep 30, 98Oct 31, 00[D21F]
6131784 Threading deviceExpiredDec 22, 98Oct 17, 00[D21F]
6093283 Shoe press and method for supporting a press shoe in a shoe pressExpiredSep 30, 98Jul 25, 00[D21F]
6074531 Device in a measuring stationExpiredMar 11, 98Jun 13, 00[D21F]
6042692 Paper machine for manufacturing a web of soft crepe paperExpiredJul 08, 96Mar 28, 00[B31F]
6017422 Shoe pressExpiredSep 30, 98Jan 25, 00[B29C, D21H, D21F]
6010443 Clamping ring for an enclosed shoe pressExpiredOct 22, 97Jan 04, 00[B31F]
5997696 Shoe pressExpiredSep 30, 98Dec 07, 99[B29C, D21H, D21F]
5944958 Method of and a device for adjusting creping conditionsExpiredAug 27, 92Aug 31, 99[B31F]
5935382 Method and board machine for manufacturing a paperboard webExpiredMay 30, 97Aug 10, 99[D21F]
5908534 Method and device for web cutting in the former of a paper machineExpiredJul 27, 93Jun 01, 99[D21F]

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