WF-Maschinenbau und Blechformtechnik GmbH & Co. KG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 353
 
  
 
B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL120
 
  
 
B21H MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS 17

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0089,708 Method and device for producing rotationally symmetrical metal componentsDec 09, 15Mar 31, 16[B21D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7797976 Method for the production of a flange on a metal blank, and transmission partNov 15, 04Sep 21, 10[B21C]
7124610 Method for producing a torsional vibration damper housing, especially a housing for a viscosity torsional vibration damperDec 20, 02Oct 24, 06[B21D]
6688149 Component with a hub, and a non-cutting production method thereforAug 13, 02Feb 10, 04[B21D]
5619879 Method for the non-cutting production of a hub of a transmission component possessing the hubDec 28, 95Apr 15, 97[B21H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7774938 Method of production a tire rim having different wall thicknessesExpiredSep 06, 03Aug 17, 10[B23P]
2009/0211,323 Method of Forming a Circular Sheet-Metal BlankAbandonedJun 24, 06Aug 27, 09[B21K, B21H, B21D]
6868606 Method and apparatus for making a rotation-symmetrical gear memberExpiredNov 14, 02Mar 22, 05[B23P, B21D]
2004/0168,496 Apparatus for manufacturing a formed body having a concentric hubAbandonedMar 04, 04Sep 02, 04[B21B]
6571590 Method for producing a rim for a pneumatic tireExpiredJun 29, 01Jun 03, 03[B21D]
6161409 Process and device for manufacturing a gear part with outer teethExpiredJan 26, 99Dec 19, 00[B21H]

Top Inventors for This Owner

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