Inventor · disambiguated record
Ernst Schwefel
Also filed as: SCHWEFEL ERNST
12 granted patents·208 citations·filing 1978–1989
92Inventor score
Files withHEIDENHAIN GMBH DR JOHANNES12
Top patents by PatentIndex Score
12 records- 0194US4225931AInterpolation apparatus for digital electronic position measuring instrumentHEIDENHAIN GMBH DR JOHANNES·Filed 1978·Granted Sep 30, 1980·56 cites·8 claims
- 0286US4462083AMethod of interval interpolationHEIDENHAIN GMBH DR JOHANNES·Filed 1981·Granted Jul 24, 1984·38 cites·8 claims
- 0374US4564912ANumerical control system for determining tool withdrawal directionHEIDENHAIN GMBH DR JOHANNES·Filed 1985·Granted Jan 14, 1986·18 cites·13 claims
- 0467US4229646AElectronic counter for incremental measuring deviceHEIDENHAIN GMBH DR JOHANNES·Filed 1978·Granted Oct 21, 1980·14 cites·21 claims
- 0564US4575791AMethod for restarting a tool onto a workpiece contourHEIDENHAIN GMBH DR JOHANNES·Filed 1984·Granted Mar 11, 1986·21 cites·4 claims
- 0661US4306220AInterpolation utilization apparatusHEIDENHAIN GMBH DR JOHANNES·Filed 1978·Granted Dec 15, 1981·11 cites·14 claims
- 0749US4412206ADigital electrical length or angle measuring deviceHEIDENHAIN GMBH DR JOHANNES·Filed 1980·Granted Oct 25, 1983·10 cites·7 claims
- 0848US4521845ANumerical control deviceHEIDENHAIN GMBH DR JOHANNES·Filed 1981·Granted Jun 4, 1985·12 cites·20 claims
- 0944US4517657AIntegrated bit processor/word processor control systemHEIDENHAIN GMBH DR JOHANNES·Filed 1982·Granted May 14, 1985·10 cites·9 claims
- 1044US4330831ACorrection selection deviceHEIDENHAIN GMBH DR JOHANNES·Filed 1979·Granted May 18, 1982·8 cites·6 claims
- 1134US5001340AAngle measuring arrangementHEIDENHAIN GMBH DR JOHANNES·Filed 1989·Granted Mar 19, 1991·5 cites·14 claims
- 1234US4760280AProcess and apparatus for the synchronization of square signalsHEIDENHAIN GMBH DR JOHANNES·Filed 1986·Granted Jul 26, 1988·5 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →