GEBR. HELLER MASCHINENFABRIK GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23C MILLING 330
 
  
 
B23B TURNING; BORING 250
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 238

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8419323 Method for fine-machining crankshafts and machining center thereforJan 14, 08Apr 16, 13[B23C]
7784379 Cover for machine tool guide structuresMar 28, 07Aug 31, 10[B23Q]
7419460 Machine tool with work piece handling arrangementFeb 27, 06Sep 02, 08[B23Q]
7179029 Machine for machining workpieces, especially crankshafts and camshafts, with at least one internal cutter milling toolApr 08, 04Feb 20, 07[B23C]
5373631 Method for machining a radially symmetrical workpiece surface and a tool for performing the methodOct 30, 92Dec 20, 94[B23B, B23C]
5230265 Method for machine-cut working of workpieces with rotationally symmetrical surfaces, particularly of crankshafts and apparatus for carrying-out such a methodJul 17, 92Jul 27, 93[B23B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0003,058 MACHINE TOOL AND METHOD FOR PRODUCING GEARINGAbandonedDec 16, 09Jan 05, 12[B23P, B23F, B23C]
6834539 Rotary machine element and method for detecting positional values of at least one functional part of such a rotary machine elementExpiredOct 11, 02Dec 28, 04[B23B]
6796199 Drive for machine components such as carriages, gripping devices or the likeExpiredApr 05, 02Sep 28, 04[F04B, F16H]
2003/0115,736 Method for stocking tool magazines of a device for machining workpiecesAbandonedSep 11, 02Jun 26, 03[B23P]
6513988 Bearing device for a threaded spindle of a machine toolExpiredMar 07, 01Feb 04, 03[F16C]
6508150 REVERSIBLE CUTTING TIP, METHOD FOR PRODUCING SUCH CUTTING TIP, TOOL PROVIDED WITH SUCH CUTTING TIPS, AND METHOD FOR CUTTING A WORKPIECE BY USING SUCH CUTTING TIP OR A TOOL PROVIDED WITH SUCH CUTTING TIPExpiredSep 25, 98Jan 21, 03[B23B]
6287057 Device for machining bores in a workpiece and a method for machining bores by employing such deviceExpiredJul 09, 99Sep 11, 01[B23B]
5349888 Method for machining surfaces or revolution at workpieces and disk-shaped tool for performing sameExpiredJun 11, 92Sep 27, 94[B23B]
5275072 Center drive support for supporting a crank shaft during machiningExpiredNov 20, 92Jan 04, 94[B23B]
5244322 Clamping device for individual toolsExpiredJul 17, 92Sep 14, 93[B23B]
4995160 Apparatus for machining axially symmetrical workpiece surfacesExpiredFeb 09, 89Feb 26, 91[B23Q, B23C]
4993996 Chain magazine for shop machinesExpiredFeb 23, 90Feb 19, 91[F16H]
4787785 Machine tool with a spindle headExpiredJun 05, 87Nov 29, 88[B23C]
4768904 Apparatus for broaching cylindrical surfaces of a workpiece, in particular of a crankshaftExpiredSep 12, 86Sep 06, 88[B23D]
4619565 Milling machine, especially crankshaft milling machineExpiredMay 20, 85Oct 28, 86[B23C]
4521143 Crankshaft milling apparatusExpiredJun 13, 83Jun 04, 85[B23B, B23C]
4494281 Crankshaft milling machineExpiredJan 16, 84Jan 22, 85[B21K, B23C]
4363166 Automatic tool exchangerExpiredAug 18, 80Dec 14, 82[B73Q]
4337011 Crankshaft milling machineExpiredApr 16, 80Jun 29, 82[B23C]
4309134 Crankshaft milling machineExpiredAug 06, 79Jan 05, 82[B23C]

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