Inventor · disambiguated record
Manfred Erhardt
Also filed as: ERHARDT MANFRED
22 granted patents·149 citations·filing 1975–1993
95Inventor score
Files withHURTH MASCH ZAHNRAD CARL16HURTH MASCHINEN WERKZEUGE3CARL HURTH MACHINEN UND ZAHNRA1CARL HURTH MASCHINEN UND ZAHRA1HURTHMASCHINEN UND WERKZEUGE G1
Top patents by PatentIndex Score
22 records- 0162US5074080ATool for the precision working of tooth flanks of hardened gearsHURTH MASCHINEN WERKZEUGE·Filed 1990·Granted Dec 24, 1991·19 cites·3 claims
- 0255US4630404AApparatus for manufacturing and machining gearsHURTH MASCH ZAHNRAD CARL·Filed 1984·Granted Dec 23, 1986·13 cites·4 claims
- 0354US4677962AGearlike tool for dressing abrasive, gearlike, precision machining toolsCARL HURTH MACHINEN UND ZAHNRA·Filed 1986·Granted Jul 7, 1987·16 cites·8 claims
- 0448US4649671AMethod 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 toolHURTH MASCH ZAHNRAD CARL·Filed 1985·Granted Mar 17, 1987·11 cites·3 claims
- 0544US5129185AMethod for the precision working of the tooth flanks of particularly hardened gearsHURTHMASCHINEN UND WERKZEUGE G·Filed 1991·Granted Jul 14, 1992·11 cites·7 claims
- 0644US4689918AApparatus for manufacturing and working of gearsHURTH MASCH ZAHNRAD CARL·Filed 1986·Granted Sep 1, 1987·8 cites·12 claims
- 0744US4287659AMethod and apparatus for exchanging tools in hobbing machinesHURTH MASCH ZAHNRAD CARL·Filed 1979·Granted Sep 8, 1981·9 cites·14 claims
- 0843US4045917AGear grinding machineHURTH MASCH ZAHNRAD CARL·Filed 1975·Granted Sep 6, 1977·7 cites·8 claims
- 0941US5343656AGrinding tool and the like made of a ceramic material coated with extremely hard abrasive granulesHURTH MASCHINEN WERKZEUGE·Filed 1993·Granted Sep 6, 1994·10 cites·2 claims
- 1040US4776137AMethod for manufacturing and working of gearsHURTH MASCH ZAHNRAD CARL·Filed 1987·Granted Oct 11, 1988·6 cites·6 claims
- 1140US4757644AMethod and apparatus for manufacturing and machining gearsHURTH MASCH ZAHNRAD CARL·Filed 1987·Granted Jul 19, 1988·7 cites·4 claims
- 1239US5377457AMethod 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 appliedHURTH MASCHINEN WERKZEUGE·Filed 1993·Granted Jan 3, 1995·7 cites·4 claims
- 1338US4694617AMethod for the precision working of the tooth system of bevel gearsHURTH MASCH ZAHNRAD CARL·Filed 1986·Granted Sep 22, 1987·5 cites·3 claims
- 1435US4799473AGearlike dressing toolHURTH MASCH ZAHNRAD CARL·Filed 1987·Granted Jan 24, 1989·4 cites·5 claims
- 1533US4602458AApparatus for the manufacture or working of gearsHURTH MASCH ZAHNRAD CARL·Filed 1984·Granted Jul 29, 1986·3 cites·3 claims
- 1631US4739587ARolling drive for a gear-grinding machineHURTH MASCH ZAHNRAD CARL·Filed 1986·Granted Apr 26, 1988·2 cites·8 claims
- 1731US4633619AApparatus for the manufacture or machining of gears by rolling on a tool having abrasive working surfacesHURTH MASCH ZAHNRAD CARL·Filed 1985·Granted Jan 6, 1987·2 cites·3 claims
- 1830US4976044AScanner head for a tooth-flank scanning deviceHURTH MASCH ZAHNRAD CARL·Filed 1988·Granted Dec 11, 1990·1 cites·6 claims
- 1930US4610576ASingle-tooth cutter for sloping the faces of the teeth of gearsHURTH MASCH ZAHNRAD CARL·Filed 1984·Granted Sep 9, 1986·1 cites·8 claims
- 2027US4630402AApparatus for the manufacture or machining of straight or helically toothed workpiecesHURTH MASCH ZAHNRAD CARL·Filed 1985·Granted Dec 23, 1986·3 cites·6 claims
- 2126US4265575ATooth-edge gear working machineHURTH MASCH ZAHNRAD CARL·Filed 1978·Granted May 5, 1981·3 cites·7 claims
- 2224US4748772AApparatus for the precision working of the tooth system of bevel gearsCARL HURTH MASCHINEN UND ZAHRA·Filed 1987·Granted Jun 7, 1988·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →