VALMET PAPER MACHINERY INC.

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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 THEREON1814
 
  
 
F26B DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM 1317
 
  
 
B05C APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 738
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES475
 
  
 
D21G CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES 49
 
  
 
B21B ROLLING OF METAL 329
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 285
 
  
 
B26F PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING 214
 
  
 
B30B PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR 220
 
  
 
B60B VEHICLE WHEELS 230

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7790366 NANBV diagnostics and vaccinesMay 15, 95Sep 07, 10[A61K]
5570519 Method and device in contact-free treatment of a webFeb 10, 95Nov 05, 96[F26B]
5560123 Method and device for ensuring the run of the web in the multi-cylinder dryer of a papermachineOct 18, 94Oct 01, 96[D06F, F26B]
5500090 Method and apparatus for guiding a fabric in a paper machineJan 27, 94Mar 19, 96[D21F]
5495678 Drying module and dryer sections that make use of same, in particular for a high-speed paper machineFeb 24, 94Mar 05, 96[F26B]
5496442 Method and apparatus for opening a nip in an extended-nip pressMar 07, 94Mar 05, 96[D21F]
5489784 Method and device for monitoring an edge of a moving web with a bar of radiationJan 03, 95Feb 06, 96[G01N]
5483873 Method in calendering of a paper web and a calendar that makes use of the methodMar 02, 94Jan 16, 96[D21G]
5484482 Method and apparatus for limiting the coating width and/or preventing damage to roll ends while coating or surface-sizing paperMar 23, 94Jan 16, 96[B05C]
5475934 Method and device for ensuring the run of the web in the multi-cylinder dryer of a papermachineOct 18, 94Dec 19, 95[F26B, D21F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5827399 Method and system for regulation and on-line measurement of the fibre orientation in a web produced by a paper machineExpiredNov 05, 93Oct 27, 98[D21F]
5507223 Arrangement for coupling extended-nip rollsExpiredMay 13, 94Apr 16, 96[D21F, B30B]
5499779 Method for drum winding a web and a drum winderExpiredJun 16, 94Mar 19, 96[B65H]
5495798 Adjustable-crown rollExpiredOct 19, 93Mar 05, 96[D21G, B30B]
5492287 Drum winder and method for winding a webExpiredJun 15, 94Feb 20, 96[B65H]
5490905 Method in the regulation of a multi-layer headbox and a multi-layer headboxExpiredJun 30, 94Feb 13, 96[D21F]
5489365 Adjustable twin-wire former with suction boxes for simultaneous drainage in both directionsExpiredMay 04, 94Feb 06, 96[D21F]
5480513 Method and device for controlling a wire in a forming gap of a web formerExpiredDec 08, 93Jan 02, 96[D21F]
5465505 Inverted dryer group in a multi-cylinder dryer in a paper machineExpiredDec 23, 93Nov 14, 95[F26B]
5466341 Method for draining water from a paper webExpiredFeb 28, 95Nov 14, 95[D21F]
5466342 Suction roll in a twin-wire zone of a web former and a twin-wire web formerExpiredFeb 28, 95Nov 14, 95[D21F]
5466343 Suction element for a paper machineExpiredSep 28, 93Nov 14, 95[D21F]
5456946 Method for the coatings of the center roll in the press of a paper machine and a center roll in the press of a paper machineExpiredMay 26, 94Oct 10, 95[B05D]
5438765 Method and apparatus for eliminating the flutter of a paper web in the dryer section of a papermaking machine between two single felt configurations thereinExpiredMay 04, 93Aug 08, 95[F26B]
5426867 Dryer section of a paper machineExpiredDec 29, 93Jun 27, 95[F26B]
5412870 Method for coating a rollExpiredFeb 14, 94May 09, 95[B23P]
5404936 Method for heating a roll and a heatable rollExpiredFeb 24, 93Apr 11, 95[F28F]
5401232 Rolls and cylinders for use in paper machinesExpiredDec 28, 93Mar 28, 95[B30B]
5401315 Method and device in a size pressExpiredApr 09, 93Mar 28, 95[B05C]
5397438 Method and device for reduction and equalization of transverse shrinkage of paper in single-wire draw in a drying sectionExpiredApr 12, 93Mar 14, 95[D21F]

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