Assignee
HEGENSCHEIDT GMBH WILHELM
DE·60 granted patents·1,034 citations·filing 1976–1994
Top patents by PatentIndex Score
60 records- 0193US5333480AMethod for straightening out of true work pieces, especially crankshaftsHEGENSCHEIDT GMBH WILHELM·Filed 1993·Granted Aug 2, 1994·38 cites·20 claims
- 0292US4947668ARolling milling toolHEGENSCHEIDT GMBH WILHELM·Filed 1989·Granted Aug 14, 1990·53 cites·27 claims
- 0391US5235838AMethod and apparatus for truing or straightening out of true work piecesHEGENSCHEIDT GMBH WILHELM·Filed 1992·Granted Aug 17, 1993·40 cites·12 claims
- 0490US4299017AApparatus for smooth rolling the bearing seats of crankshaftsHEGENSCHEIDT GMBH WILHELM·Filed 1979·Granted Nov 10, 1981·33 cites·4 claims
- 0586US4798964AMethod and apparatus for the contactless measuring of the tread quality of railroadHEGENSCHEIDT GMBH WILHELM·Filed 1986·Granted Jan 17, 1989·76 cites·34 claims
- 0685US5001917AMethod and apparatus for truing or straightening out of true work piecesHEGENSCHEIDT GMBH WILHELM·Filed 1988·Granted Mar 26, 1991·28 cites·10 claims
- 0785US4133399ABoring deviceHEGENSCHEIDT GMBH WILHELM·Filed 1976·Granted Jan 9, 1979·44 cites·4 claims
- 0883US4561276AMethod of deep-rolling crankshaftsHEGENSCHEIDT GMBH WILHELM·Filed 1984·Granted Dec 31, 1985·22 cites·6 claims
- 0983US4347769AUnderfloor lathe for profiling wheel setsHEGENSCHEIDT GMBH WILHELM·Filed 1980·Granted Sep 7, 1982·42 cites·7 claims
- 1082US4798963AApparatus for monitoring and measuring the quality of rail wheel still mounted beneath a rail vehicle without directly contacting the rail wheelsHEGENSCHEIDT GMBH WILHELM·Filed 1986·Granted Jan 17, 1989·65 cites·56 claims
- 1181US4054976ACombined precision boring and burnishing toolHEGENSCHEIDT GMBH WILHELM·Filed 1976·Granted Oct 25, 1977·26 cites·9 claims
- 1279US4080716AMethod for controlling proper clamping of a workpiece in a clamping deviceHEGENSCHEIDT GMBH WILHELM·Filed 1977·Granted Mar 28, 1978·35 cites·6 claims
- 1377US4542565ARolling toolHEGENSCHEIDT GMBH WILHELM·Filed 1984·Granted Sep 24, 1985·19 cites·7 claims
- 1476US4802285AMethod and apparatus for ascertaining the radial location of a new wheel profile to be produced by a reprofiling operationHEGENSCHEIDT GMBH WILHELM·Filed 1987·Granted Feb 7, 1989·34 cites·11 claims
- 1574US4116094AMethod and apparatus for centering a wheel setHEGENSCHEIDT GMBH WILHELM·Filed 1977·Granted Sep 26, 1978·21 cites·11 claims
- 1673US4693146AMethod and apparatus for achieving chip separation while machining work piecesHEGENSCHEIDT GMBH WILHELM·Filed 1986·Granted Sep 15, 1987·25 cites·16 claims
- 1773US4133089ACombined precision boring and burnishing toolHEGENSCHEIDT GMBH WILHELM·Filed 1977·Granted Jan 9, 1979·30 cites·12 claims
- 1872US5138859AMethod and apparatus for smooth-rolling and deep-rolling multi-stroke crankshaftsHEGENSCHEIDT GMBH WILHELM·Filed 1991·Granted Aug 18, 1992·25 cites·17 claims
- 1972US4922739ARoller milling tool unit for a milling machine toolHEGENSCHEIDT GMBH WILHELM·Filed 1989·Granted May 8, 1990·19 cites·20 claims
- 2072US4749870AMethod and apparatus for measuring data for calculating the diameter of wheels, especially railroad wheel setsHEGENSCHEIDT GMBH WILHELM·Filed 1986·Granted Jun 7, 1988·29 cites·19 claims
- 2172US4289431ABoring tool with floating bladesHEGENSCHEIDT GMBH WILHELM·Filed 1980·Granted Sep 15, 1981·27 cites·18 claims
- 2266US4667546AMethod for achieving chip separation while machining work piecesHEGENSCHEIDT GMBH WILHELM·Filed 1986·Granted May 26, 1987·23 cites·2 claims
- 2363US4747286ARolling apparatusHEGENSCHEIDT GMBH WILHELM·Filed 1986·Granted May 31, 1988·15 cites·18 claims
- 2461US4766753ARolling apparatus for surface hardening or smoothingHEGENSCHEIDT GMBH WILHELM·Filed 1986·Granted Aug 30, 1988·14 cites·34 claims
- 2561US4240770ABoring tool with a floating knifeHEGENSCHEIDT GMBH WILHELM·Filed 1978·Granted Dec 23, 1980·14 cites·4 claims
- 2656US5019115AMethod and apparatus for producing fractured chips when performing a turning operationHEGENSCHEIDT GMBH WILHELM·Filed 1989·Granted May 28, 1991·19 cites·13 claims
- 2755US4110910AApparatus for simultaneously measuring the outer diameter of sets of profiled wheelsHEGENSCHEIDT GMBH WILHELM·Filed 1976·Granted Sep 5, 1978·12 cites·2 claims
- 2852US4939962AMethod and apparatus for influencing the motion of a movable memberHEGENSCHEIDT GMBH WILHELM·Filed 1989·Granted Jul 10, 1990·16 cites·8 claims
- 2950US4195957ABoring tool with floating double edged knifeHEGENSCHEIDT GMBH WILHELM·Filed 1978·Granted Apr 1, 1980·11 cites·18 claims
- 3050US4167106AMethod and apparatus for finish rolling workpieces of substantially circular cross-section to a selected diameterHEGENSCHEIDT GMBH WILHELM·Filed 1978·Granted Sep 11, 1979·10 cites·10 claims
- 3149US4211129AMethod for producing a boreHEGENSCHEIDT GMBH WILHELM·Filed 1978·Granted Jul 8, 1980·10 cites·2 claims
- 3248US4799839AMethod and apparatus for performing a rotary broaching operation particularly on work pieces of rotational symmetryHEGENSCHEIDT GMBH WILHELM·Filed 1987·Granted Jan 24, 1989·12 cites·23 claims
- 3348US4597143AMethod and apparatus for reprofiling wheelsHEGENSCHEIDT GMBH WILHELM·Filed 1984·Granted Jul 1, 1986·10 cites·9 claims
- 3448US4437328ACrankshaft glaze or smooth rolling machineHEGENSCHEIDT GMBH WILHELM·Filed 1982·Granted Mar 20, 1984·14 cites·4 claims
- 3547US4200012AMethod and apparatus for truing railroad wheelsHEGENSCHEIDT GMBH WILHELM·Filed 1978·Granted Apr 29, 1980·8 cites·5 claims
- 3645US4264246ABoring tool for boring holes of substantial lengthHEGENSCHEIDT GMBH WILHELM·Filed 1979·Granted Apr 28, 1981·10 cites·2 claims
- 3744US4265149AMethod and apparatus for truing railroad wheelsHEGENSCHEIDT GMBH WILHELM·Filed 1979·Granted May 5, 1981·7 cites·5 claims
- 3841US4485537AMachine for the machining of crankshaftsHEGENSCHEIDT GMBH WILHELM·Filed 1982·Granted Dec 4, 1984·8 cites·13 claims
- 3940US4747285ASurface-hardening or smoothing rolling machineHEGENSCHEIDT GMBH WILHELM·Filed 1986·Granted May 31, 1988·5 cites·33 claims
- 4039US4134314AMethod for truing railroad car wheelsHEGENSCHEIDT GMBH WILHELM·Filed 1977·Granted Jan 16, 1979·8 cites·2 claims
- 4139US4033209ASupport rolls for supporting wheels of a wheel set during reprofilingHEGENSCHEIDT GMBH WILHELM·Filed 1976·Granted Jul 5, 1977·6 cites·11 claims
- 4237US4539831AMethod for setting the stroke of movable rolling units, and crankshaft rolling machine for implementing said methodHEGENSCHEIDT GMBH WILHELM·Filed 1983·Granted Sep 10, 1985·3 cites·18 claims
- 4337US4327568AMethod for the cold rolling of partsHEGENSCHEIDT GMBH WILHELM·Filed 1980·Granted May 4, 1982·5 cites·2 claims
- 4435US4318293AMethod for power clamping work piecesHEGENSCHEIDT GMBH WILHELM·Filed 1979·Granted Mar 9, 1982·8 cites·3 claims
- 4534US4825737ALifting mechanism especially for a wheel set in a truing machineHEGENSCHEIDT GMBH WILHELM·Filed 1987·Granted May 2, 1989·6 cites·17 claims
- 4633US4782682ARolling Mill ToolHEGENSCHEIDT GMBH WILHELM·Filed 1987·Granted Nov 8, 1988·2 cites·12 claims
- 4732US4895057AMachine tool for broaching crankshaft connecting rod bearingsHEGENSCHEIDT GMBH WILHELM·Filed 1987·Granted Jan 23, 1990·4 cites·8 claims
- 4832US4711146AMethod for reprofiling profiles of wheel setsHEGENSCHEIDT GMBH WILHELM·Filed 1987·Granted Dec 8, 1987·6 cites·3 claims
- 4931US4296620ASmoothing rolling millHEGENSCHEIDT GMBH WILHELM·Filed 1979·Granted Oct 27, 1981·2 cites·8 claims
- 5030US4377023ADeep boring mill with a synchroneously operating headstockHEGENSCHEIDT GMBH WILHELM·Filed 1980·Granted Mar 22, 1983·9 cites·3 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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