J. M. Voith 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 THEREON2113
 
 
 
F26B DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM 624
 
 
 
B30B PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR 517
 
 
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES376
 
 
 
D06F LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES 337
 
 
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 240
 
 
 
B03D FLOTATION; DIFFERENTIAL SEDIMENTATION 213
 
 
 
B05C APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 243
 
 
 
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 219
 
 
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 2123

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9890863 Piston slide valveJul 24, 15Feb 13, 18[F16K, F16H]
6095948 Method of operating a vehicle transmissionOct 21, 98Aug 01, 00[F16H]
5885420 Headbox for papermaking machine with more uniform flowJan 12, 98Mar 23, 99[D21F]
5730841 Two wire former for paper making machinesApr 22, 97Mar 24, 98[D21F]
5709777 Device and method for the non-clogging throttling of a fluid stream of suspended matterFeb 03, 97Jan 20, 98[D21F, F16K, F15D]
5707495 Headbox for papermaking machine with more uniform flowJun 13, 96Jan 13, 98[D21F]
5667640 Two-wire former for paper-making machinesMay 17, 95Sep 16, 97[D21F]
5639352 Headbox lamellae and method for reducing turbulence thereaboutAug 29, 94Jun 17, 97[D21F]
5626723 Surface contoured press jacket for a shoe pressOct 10, 95May 06, 97[D21F]
5600897 Mixed dryer section including single-tier and double-tier drying groups with automatic ropeless threadingNov 12, 93Feb 11, 97[D06F, F26B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5922128 Applicator device for coating running websExpiredMay 23, 94Jul 13, 99[B05C]
5914009 Double wire sheet formerExpiredSep 13, 96Jun 22, 99[D21F]
5885350 Coating device for webs of paper or boardExpiredFeb 10, 97Mar 23, 99[B05C]
5804037 Multiply headbox nozzle with heavy end convergenceExpiredOct 23, 96Sep 08, 98[D21F]
5766107 Continuous hydrostatic power division transmissionExpiredAug 13, 96Jun 16, 98[F16H]
5707489 Processing wastepaper containing waxes, hot melts and adhesivesExpiredJan 24, 97Jan 13, 98[D21C]
5702760 Process for coating running websExpiredMay 10, 96Dec 30, 97[B05D]
5694961 Device and method for changing the flow resistance of a fluid flow control deviceExpiredJul 19, 95Dec 09, 97[F16K]
5690298 Pope reel for a paper machineExpiredJan 30, 96Nov 25, 97[B65H]
5681431 Press section for a paper machineExpiredNov 21, 94Oct 28, 97[D21F]
5647960 Press section and method for starting and operating thereofExpiredOct 14, 94Jul 15, 97[D21F]
5638960 SieveExpiredMar 31, 95Jun 17, 97[B07B]
5622052 Double-flow hydrostatic radial piston engine with axial flow, thrust compensation, and shaft bearingExpiredOct 19, 94Apr 22, 97[F01B, F16D]
5622603 Influencing the jet velocity in the multilayer headboxExpiredMar 27, 95Apr 22, 97[D21F]
5609726 Headbox and method for producing multilayer and multi-ply paper websExpiredJun 27, 94Mar 11, 97[D21F]
5603807 Paper machine headbox with longitudinally shiftable contoured wallExpiredJul 05, 95Feb 18, 97[D21F]
5599428 Headbox nozzle with heavy end convergenceExpiredJul 12, 94Feb 04, 97[D21F]
5589659 Control over excess coating composition in coating device for traveling paper webExpiredSep 10, 93Dec 31, 96[B05C]
5584772 Infinitely variable hydrostatic torque-routing transmissionExpiredDec 16, 94Dec 17, 96[F16H]
5582075 Double-counterpoised flywheel for an internal combustion engineExpiredApr 11, 95Dec 10, 96[G05G]

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