HURTH MASCHINEN UND WERKZEUGE G.M.B.H.
Patent Owner
Stats
- 4 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jul 29, 1997 most recent publication
Details
- 4 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 197 Total Citation Count
- May 19, 1978 Earliest Filing
- 32 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5443338 Machine for the precision working of the tooth flanks of gear-shaped workpieces with an internally toothed toolJul 07, 94Aug 22, 95[B23F]
5395189 Method for the precision working of crowned and/or conical tooth systemsApr 30, 93Mar 07, 95[B23F]
5377457 Method for generating of gear-shaped precision-working tools, in particular for regrinding shaving gears, and a gear-shaped tool, in particular a shaving gear, to which the method can be appliedMay 14, 93Jan 03, 95[B24B]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5651721 Method for the precision working of gears with an internally toothed tool, which for dressing remains in the precision working machineExpiredSep 01, 94Jul 29, 97[B24B]
5343656 Grinding tool and the like made of a ceramic material coated with extremely hard abrasive granulesExpiredMar 01, 93Sep 06, 94[B24D]
5129185 Method for the precision working of the tooth flanks of particularly hardened gearsExpiredSep 20, 91Jul 14, 92[B24B]
5074080 Tool for the precision working of tooth flanks of hardened gearsExpiredSep 05, 90Dec 24, 91[B24B]
5014467 Method and machine for the discontinuous generating grinding with indexingExpiredOct 13, 88May 14, 91[B24B]
5003817 Apparatus and a method for testing of synchronizing systemsExpiredFeb 20, 90Apr 02, 91[G01M]
4949513 Method for the precision machining of particularly hardened gears and a tool suited thereforExpiredSep 22, 88Aug 21, 90[B24B]
4950112 Machine for the precision working of the tooth flanks of toothed workpiecesExpiredJul 07, 89Aug 21, 90[B23F]
4947590 Method for the precision working of crowned tooth flanks on particularly hardened gearsExpiredOct 12, 88Aug 14, 90[B23F]
4831788 Method and device for controlling the rolling drive of a gear grinding machineExpiredMay 19, 88May 23, 89[B24B]
4717293 Method for chamfering the axially facing ends of toothed workpieces, a meshing engagement aid manufactured according to this method, and an apparatus for performing the methodExpiredSep 18, 85Jan 05, 88[B23F]
4649671 Method for the precision working of the flanks of gears with a gear-shaped tool coated with hard-material granules and a method for dressing such a toolExpiredMay 08, 85Mar 17, 87[B24B]
4633619 Apparatus for the manufacture or machining of gears by rolling on a tool having abrasive working surfacesExpiredJul 12, 85Jan 06, 87[B24B]
4630402 Apparatus for the manufacture or machining of straight or helically toothed workpiecesExpiredJan 17, 85Dec 23, 86[B24B]
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