VALMET CORPORATION

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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 THEREON2812
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES1267
 
  
 
F26B DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM 1119
 
  
 
B05C APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 639
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 681
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 551
 
  
 
B07B SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL 318
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 355
 
  
 
B26F PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING 313
 
  
 
D06F LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES 337

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6629663 Wound roll vibration detection systemJan 10, 01Oct 07, 03[B65H]
6241424 Method and apparatus for replacing damaged section of a subsea pipeline without loss of product or entry of seawaterMar 16, 99Jun 05, 01[F16L, B08B]
6214168 Method and device in a paper machine for transfer of the web from the former section to the press sectionAug 16, 99Apr 10, 01[D21F]
6200248 Roll for a paper or board machineApr 09, 98Mar 13, 01[B23P, B25F]
6186437 Method and device for applying a load to a reel in a reel-up of a paper webMay 07, 99Feb 13, 01[B65H]
6154981 Method and apparatus for improving the drying capacity of a hood covering a yankee cylinderApr 28, 99Dec 05, 00[D06F]
6148831 Method for cleaning a webAug 12, 98Nov 21, 00[B08B]
6138380 Method and apparatus for controlling the temperature in a paper machineMar 31, 99Oct 31, 00[F26B]
6119362 Arrangements for impingement drying and/or through-drying of a paper or material webDec 07, 98Sep 19, 00[D06F]
6106902 Method and apparatus for coating a moving paper or cardboard webMay 14, 98Aug 22, 00[B05D, B05B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6813867 Method of and apparatus for threading of a wrapper web into a nip between drawing rolls in a wrapping deviceExpiredDec 03, 99Nov 09, 04[B65B]
6811654 Method and arrangement for calendering paper and board before and after coatingExpiredJan 03, 01Nov 02, 04[D21F]
2004/0079,503 Use of recycled calcium carbonate in the treatment of a paper, board or nonwoven productAbandonedOct 16, 03Apr 29, 04[D21H]
6558456 Apparatus for controlling mist and dust in the manufacture and finishing of paper and boardExpiredFeb 11, 02May 06, 03[B03C]
6551562 Method and apparatus for guiding a web of paper or board web during manufactureExpiredMar 30, 01Apr 22, 03[B01J]
6517681 Method and device for changing an endless feltExpiredJul 12, 00Feb 11, 03[D21F]
6511581 Method for controlling mist and dust in the manufacture and finishing of paper and board by an ion blast windExpiredMar 17, 00Jan 28, 03[D21F]
6505459 Method and apparatus for wrapping of paper and board rolls into a package wrappingExpiredAug 21, 00Jan 14, 03[B65B]
6461671 Paper coating apparatus and method for coating paperExpiredMar 14, 01Oct 08, 02[B05C, B05D, B65H, D21F]
6453808 Method and apparatus for marking paper, board and cellulose web rollsExpiredAug 15, 00Sep 24, 02[B41F]
6399160 Method and apparatus for film coating a moving paper or board web supported by a belt to form a coating application zone with adjustable lengthExpiredJul 06, 98Jun 04, 02[B05C, B05D]
6372090 Method and apparatus for handling paper or cardboard websExpiredAug 04, 99Apr 16, 02[D21F]
6368459 Method and apparatus for coating a moving web of paper or boardExpiredAug 28, 00Apr 09, 02[D21H, D21F]
6368466 Press section of a paper making machine employing an extended nip pressExpiredNov 15, 95Apr 09, 02[D21F]
6354531 Apparatus and method for continuously reeling a web materialExpiredFeb 18, 99Mar 12, 02[B65H]
6351896 Method and apparatus for drying a fiber webExpiredAug 18, 00Mar 05, 02[F26B]
6352614 Method for guiding a paper or board webExpiredSep 11, 98Mar 05, 02[D21F]
6345453 Method and apparatus for drying a fiber webExpiredSep 14, 00Feb 12, 02[A47L, F26B]
6346148 Apparatus for coating a moving web with at least two coat layersExpiredAug 25, 99Feb 12, 02[B05C]
6322666 Regulation system and method in a paper machineExpiredFeb 19, 99Nov 27, 01[D21F]

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