Windmoller & Holscher

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 15110
 
  
 
B31B MAKING BOXES, CARTONS, ENVELOPES, OR BAGS 918
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES970
 
  
 
B41F PRINTING MACHINES OR PRESSES 836
 
  
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 856
 
  
 
B05C APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 441
 
  
 
B26F PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING 412
 
  
 
B31C MAKING WOUND ARTICLES, e.g. WOUND TUBES 36
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 364
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 235

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7361130 System for production and subsequent palletizing of tube segments, bags or sacksMay 03, 05Apr 22, 08[B31C]
7188798 Device for continuous winding of websJul 01, 02Mar 13, 07[B65H]
7055776 Device for continuous winding of websJun 28, 02Jun 06, 06[B65H]
7033440 Adhesive transfer roller of an adhesive application deviceMay 03, 04Apr 25, 06[B05C]
6875382 Process to purge polymer or plastic melt guiding parts of film extrusion systemsSep 18, 01Apr 05, 05[B29C]
6854370 Device for the cross perforation of websJun 22, 00Feb 15, 05[B26D, B26F]
6800051 Process for manufacturing side fold sacks made of plastic filmFeb 05, 02Oct 05, 04[B31B]
6705980 Removal device for tube webs made of plastic filmAug 13, 01Mar 16, 04[B29C]
6702563 Extruder die headMay 25, 00Mar 09, 04[B29C]
6619942 Tubular film blowing headAug 16, 01Sep 16, 03[B29C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0283,907 Sleeve replacement systemAbandonedMar 21, 11Nov 24, 11[B41F]
6766722 Cutting and transport roller with integrated cutter with rotating cutting surfacesExpiredSep 24, 01Jul 27, 04[B26D]
6684772 Flexographic printing machineExpiredJul 02, 02Feb 03, 04[B41F]
6666250 Device for pressing the adhesive-glued areas of continuously conveyed, flat objectsExpiredNov 02, 01Dec 23, 03[B30B]
6604462 Sleeve for pressing rollersExpiredMar 29, 01Aug 12, 03[B05C, F16C, B41F]
6543357 Printing group of a rotary roller printing machine, preferably a rotogravure rotary roller printing machineExpiredApr 24, 01Apr 08, 03[B41F]
6526730 Process for sealing a filled sack made of thermoplastic plastic and provided with gussetsExpiredJul 30, 01Mar 04, 03[B65B]
6505419 Drying compartment for a printed webExpiredJul 17, 01Jan 14, 03[F26B]
6499779 Crane gear for the transport of web rollsExpiredJul 18, 01Dec 31, 02[B66D]
6475283 Device for applying formatted adhesive applications on a transfer rollerExpiredJul 26, 00Nov 05, 02[B05C]
6443617 Resealable sack or bagExpiredJan 18, 01Sep 03, 02[B65D]
2002/0084,028 Process for tempering plastic films to be bonded and device for bonding plastic films with temperature controlled transport rollAbandonedDec 12, 01Jul 04, 02[C09J]
6357455 Process and device for cleaning an adhesive applicatorExpiredNov 26, 99Mar 19, 02[B08B]
6359074 High strength plastic film and process for its productionExpiredMay 25, 00Mar 19, 02[C08F, C08L]
2002/0020,505 Device for heat sealingAbandonedJul 18, 01Feb 21, 02[B30B]
6328683 Device for pulling up the ends of continuously transverse-conveyed flat tubular segments during the production of sacks or bagsExpiredDec 23, 99Dec 11, 01[B31B]
6324976 Device for the positioning and removal of an ink chamber doctor at the anilox roller of a printing machineExpiredOct 21, 99Dec 04, 01[B41F]
2001/0032,585 Process for the application of format parts upon a transfer roller for the application of a correctly formatted adhesive substance applicationAbandonedApr 11, 01Oct 25, 01[B05C]
2001/0029,858 Printing machineAbandonedMar 30, 01Oct 18, 01[B41F]
2001/0027,153 Transfer roller for transferring a formatted adhesive applicationAbandonedJan 16, 01Oct 04, 01[B21B]

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