Voith Sulzer Papiermaschinen GmbH

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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 THEREON2911
 
  
 
B05C APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 936
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES673
 
  
 
F26B DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM 426
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 361
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 384
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 256
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 254
 
  
 
B30B PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR 220
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 136

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6908532 Press beltMar 01, 04Jun 21, 05[D21F, B32B]
6575244 System for controlling the operating pressures within a subterranean boreholeJul 31, 01Jun 10, 03[E21B]
6214169 Sheet formation system with deckle plates and method for reducing edge wavesAug 27, 98Apr 10, 01[D21F]
6159341 Wire part for forming a multi-ply fiber webDec 10, 97Dec 12, 00[D21F]
6149771 Method for manufacturing a press jacket and a press jacket made in accordance with this methodMay 28, 98Nov 21, 00[D21F]
6139690 Former with a floating upper lipJun 30, 98Oct 31, 00[D21F]
6135267 Device for cleaning a transport beltJan 16, 98Oct 24, 00[B65G]
6117272 Device and process for metering auxiliary materials into the flow box of a paper machineSep 03, 98Sep 12, 00[D21F]
6106447 Press jacket and roll with a press jacket of this kindFeb 09, 98Aug 22, 00[B23P]
6099692 Headbox turbulence generatorJul 06, 98Aug 08, 00[D21F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6845281 Control and/or regulating system for a machine used for producing a fiber webExpiredJan 29, 99Jan 18, 05[G06F]
6789984 Process and apparatus for drilling holes in the shell of a cylinderExpiredJul 12, 99Sep 14, 04[B23B]
6702926 Process for forming a multi-ply fiber webExpiredJun 29, 00Mar 09, 04[D21F]
6613386 Apparatus and method for direct or indirect application of a liquid or pasty medium onto a traveling material webExpiredJan 23, 98Sep 02, 03[B05C, B05D]
6599395 Method and apparatus to produce paper webs coated on both sidesExpiredAug 28, 01Jul 29, 03[D21H]
6585860 Method to control or regulate the basis weight of a paper or cardboard webExpiredFeb 22, 02Jul 01, 03[G05D, D21G, D21F]
6524441 Process for detecting and correcting a fiber orientation cross direction profile changeExpiredDec 01, 00Feb 25, 03[D21F]
6497792 Paper machine using metal screen for press section and dryer cylindersExpiredOct 15, 01Dec 24, 02[D21F]
6494954 Method and apparatus for directly or indirectly applying a liquid or pasty application medium to one or both sides of a continuous surfaceExpiredMay 15, 00Dec 17, 02[B05B]
6475281 Applicator for direct or indirect application of a liquid or pasty coating medium onto a traveling material webExpiredApr 11, 00Nov 05, 02[B05B]
6468588 Apparatus and method for application of a liquid or pasty medium onto a passing substrateExpiredMay 12, 98Oct 22, 02[B05D]
2002/0124,981 Method and machine for manufacturing a fibrous pulp webAbandonedMay 01, 01Sep 12, 02[D21F]
6436239 Method to reduce the adhesion of a damp fibrous material web to a rotating rollExpiredSep 15, 98Aug 20, 02[D21F]
6425513 Device and method for transferring a threading strip or a material stripExpiredDec 08, 99Jul 30, 02[G03B, B65H]
6419794 Method and apparatus for damping contact oscillations of rotating rollsExpiredDec 04, 00Jul 16, 02[D21F]
6416580 Method and apparatus for applying a liquid or pasty medium on a traveling material webExpiredOct 15, 99Jul 09, 02[B05C]
6409836 Apparatus for direct or indirect application of a liquid or pasty coating medium onto a traveling material web, notably of paper or cardboardExpiredApr 19, 00Jun 25, 02[B05C]
6410100 Method of applying a coating medium on a traveling fiber material webExpiredMay 15, 00Jun 25, 02[B05D]
6402842 Stationary sliding barExpiredOct 19, 00Jun 11, 02[B05C]
6386477 Station for continuous unwinding of a material webExpiredMay 27, 98May 14, 02[B65H]

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