Vollmer Werke Maschinenfabrik GmbH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 1353
 
  
 
B23D PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR 623
 
  
 
B23H WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL 417
 
  
 
B23B TURNING; BORING 250
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
B27B SAWS; COMPONENTS OR ACCESSORIES THEREFOR 124
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8721397 Device for machining, in particular eroding and grinding, rotational work-pieces provided with cutting edgesJan 20, 09May 13, 14[B24B]
7999207 Apparatus for machining plate-shaped or cylindrical workpieces comprising cutting teethApr 25, 06Aug 16, 11[C25D, B23H]
7837533 Apparatus for processing and measuring workpieces which are provided with cutting teethApr 27, 06Nov 23, 10[B24B]
7261024 Device for clamping a workpiece along a rotatably driven longitudinal axisMar 30, 04Aug 28, 07[B23B]
7207865 Apparatus for machining workpieces, in particular workpieces provided with cutting teethMar 16, 05Apr 24, 07[B24B]
7165483 Apparatus and method for clamping and positioning workpieces of different length between two centersMar 16, 05Jan 23, 07[B23B]
7140948 Machine for machining elongate workpieces provided with cutting teeth, in particular for grinding bandsaw bladesJan 12, 05Nov 28, 06[B24B]
7033254 Grinding machine for double-sided grinding of saw tooth edgesMay 14, 02Apr 25, 06[B24B]
6907809 Positioning device for saw bladesMay 02, 00Jun 21, 05[B24B, B27B, B23D]
6329624 Measuring device on a machine for machining workpieces with cutting teeth, especially saw bladesMar 10, 00Dec 11, 01[B23H]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0203,296 Device and method for truing a machining wheel by means of a rotating truing tool as well as machine tool with a device of this kindAbandonedJan 20, 09Aug 13, 09[B24B]
7008298 Machine for machining long workpieces provided with cutting teeth, particularly for grinding endless saw bladesExpiredDec 02, 04Mar 07, 06[B24B]
6681655 Grinding attachment and saw-blade grinding machine with an HF spindleExpiredFeb 26, 01Jan 27, 04[B23D]
2002/0150,446 Platform for stacking circular saw bladesAbandonedJun 03, 02Oct 17, 02[B65G]
6379218 Machine for machining workpieces with cutting teeth, especially saw bladesExpiredFeb 28, 00Apr 30, 02[B24B]
5861598 Wire supply device on a machine for spark erosion of workpiecesExpiredJul 28, 97Jan 19, 99[B23H]
5592985 Method of and an apparatus for applying hard material to cutting tool teeth, especially the teeth of saw bladesExpiredDec 09, 94Jan 14, 97[B22D]
5297455 Saw blade clamping device for saw finishing machinesExpiredDec 30, 92Mar 29, 94[B23D]
5295417 Multistep finishing process for saw blade teeth and a saw finishing machine to carry out the processExpiredDec 08, 92Mar 22, 94[C21D, B23D]
D336749 Housing for a bandsaw sharpening machineExpiredNov 07, 91Jun 22, 93[]
5101879 Method and apparatuses for applying molten hard material to teeth of cutting toolsExpiredDec 21, 89Apr 07, 92[B22D]
4858392 Device for clamping a saw blade to a saw working machineExpiredApr 20, 88Aug 22, 89[B24B]
4754667 Machining cutter toolsExpiredMay 14, 86Jul 05, 88[B23D]
4677882 Feeding means for intermittently rotating a circular saw blade of great pitchExpiredOct 28, 85Jul 07, 87[B23D]
4587867 Control mechanism for a machine for working on sawsExpiredApr 20, 84May 13, 86[B23D]
4577533 Adjusting mechanism for a grinding wheel on a sharpening machine for sawsExpiredMay 01, 84Mar 25, 86[B23D]
4499794 Machine for machining circular saw bladesExpiredMar 19, 84Feb 19, 85[B23D]
4488458 Apparatus for advancing a saw blade in a machine for working on sawsExpiredAug 05, 83Dec 18, 84[B23D]
4483217 Means for positioning a saw blade in a machine for working on sawsExpiredAug 05, 83Nov 20, 84[B23D]
4483218 Clamping device for a saw blade in a machine for working on sawsExpiredAug 05, 83Nov 20, 84[B23D]

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