Inventor · disambiguated record
Alfons Ernst
Also filed as: ERNST ALFONS · ERNST ALFONS DIPL-ING · NELLE GUNTHER
50 granted patents·1,091 citations·filing 1975–1994
99Inventor score
Top patents by PatentIndex Score
50 records- 0193US4990767APosition measuring apparatus with multiple scanning locationsHEIDENHAIN GMBH DR JOHANNES·Filed 1988·Granted Feb 5, 1991·67 cites·7 claims
- 0292US4320578AMeasuring instrument mounting apparatusHEIDENHAIN GMBH DR JOHANNES·Filed 1979·Granted Mar 23, 1982·44 cites·10 claims
- 0391US4530159AMulticoordinate sensing headHEIDENHAIN GMBH DR JOHANNES·Filed 1983·Granted Jul 23, 1985·45 cites·11 claims
- 0491US4160328ASegmented longitudinal measuring deviceHEIDENHAIN GMBH DR JOHANNES·Filed 1978·Granted Jul 10, 1979·38 cites·11 claims
- 0587US4495700AApparatus for measuring the angular displacement of two objects relative to each otherHEIDENHAIN GMBH DR JOHANNES·Filed 1983·Granted Jan 29, 1985·35 cites·23 claims
- 0686US4782229APhotoelectric displacement measuring device for obtaining harmonic free signalsHEIDENHAIN GMBH DR JOHANNES·Filed 1987·Granted Nov 1, 1988·41 cites·8 claims
- 0785US4912856APosition measuring deviceHEIDENHAIN GMBH DR JOHANNES·Filed 1988·Granted Apr 3, 1990·41 cites·10 claims
- 0885US4564294AEncapsulated photoelectric measuring systemHEIDENHAIN GMBH DR JOHANNES·Filed 1984·Granted Jan 14, 1986·32 cites·7 claims
- 0985US4530155AMethod and apparatus for reproducing a reference position in an incremental measuring deviceHEIDENHAIN GMBH DR JOHANNES·Filed 1984·Granted Jul 23, 1985·34 cites·16 claims
- 1084US4602436APosition measuring systemHEIDENHAIN GMBH DR JOHANNES·Filed 1985·Granted Jul 29, 1986·36 cites·12 claims
- 1184US4477189APhotoelectric incremental measuring deviceHEIDENHAIN GMBH DR JOHANNES·Filed 1982·Granted Oct 16, 1984·33 cites·5 claims
- 1284US4403859APhotoelectric incremental measuring apparatusHEIDENHAIN GMBH DR JOHANNES·Filed 1980·Granted Sep 13, 1983·32 cites·19 claims
- 1384US4060903ACompensation of errors in incremental measuring or positioning instrumentsHEIDENHAIN GMBH DR JOHANNES·Filed 1976·Granted Dec 6, 1977·32 cites·15 claims
- 1482US4549354AMeasuring systemHEIDENHAIN GMBH DR JOHANNES·Filed 1984·Granted Oct 29, 1985·30 cites·10 claims
- 1580US4700062APosition measuring device with a scanned absolute scaleHEIDENHAIN GMBH DR JOHANNES·Filed 1985·Granted Oct 13, 1987·30 cites·10 claims
- 1680US4461083ALength or angle measuring instrumentHEIDENHAIN GMBH DR JOHANNES·Filed 1983·Granted Jul 24, 1984·26 cites·4 claims
- 1778US4631404APosition measuring systemHEIDENHAIN GMBH DR JOHANNES·Filed 1985·Granted Dec 23, 1986·33 cites·22 claims
- 1878US4198757AFastening apparatus for longitudinal measuring systemHEIDENHAIN GMBH DR JOHANNES·Filed 1978·Granted Apr 22, 1980·25 cites·14 claims
- 1977US5509211AMulti-coordinate probeHEIDENHAIN GMBH DR JOHANNES·Filed 1994·Granted Apr 23, 1996·35 cites·7 claims
- 2076US4712088AMultistage angle encoder with an improved allocation of coarse code information to fine code informationHEIDENHAIN GMBH DR JOHANNES·Filed 1984·Granted Dec 8, 1987·23 cites·10 claims
- 2176US4253021AIncremental measuring instrumentHEIDENHAIN GMBH DR JOHANNES·Filed 1978·Granted Feb 24, 1981·20 cites·24 claims
- 2275US4388758ADigital electrical angle-measuring deviceHEIDENHAIN GMBH DR JOHANNES·Filed 1981·Granted Jun 21, 1983·23 cites·11 claims
- 2373US4170828AError correction apparatus for longitudinal measuring instrumentHEIDENHAIN GMBH DR JOHANNES·Filed 1978·Granted Oct 16, 1979·13 cites·11 claims
- 2471US4512184AMounting arrangement for angle measuring deviceHEIDENHAIN GMBH DR JOHANNES·Filed 1983·Granted Apr 23, 1985·23 cites·12 claims
- 2571US4369578AEncapsulated angle measuring apparatusHEIDENHAIN GMBH DR JOHANNES·Filed 1979·Granted Jan 25, 1983·19 cites·4 claims
- 2666US4413416AMeasuring deviceHEIDENHAIN GMBH DR JOHANNES·Filed 1981·Granted Nov 8, 1983·17 cites·7 claims
- 2766US4057258AMeasuring arrangementHEIDENHAIN GMBH DR JOHANNES·Filed 1975·Granted Nov 8, 1977·13 cites·19 claims
- 2864US4972599APosition measuring device with an adjusting deviceHEIDENHAIN GMBH DR JOHANNES·Filed 1990·Granted Nov 27, 1990·23 cites·4 claims
- 2963US4581826ASensing pin mounting arrangement for multicoordinate sensing headHEIDENHAIN GMBH DR JOHANNES·Filed 1983·Granted Apr 15, 1986·15 cites·4 claims
- 3063US4169316AVibration resistant measuring deviceHEIDENHAIN GMBH DR JOHANNES·Filed 1978·Granted Oct 2, 1979·10 cites·12 claims
- 3162US4152837ALength measuring deviceHEIDENHAIN GMBH DR JOHANNES·Filed 1977·Granted May 8, 1979·14 cites·6 claims
- 3261US4276696APrecision length measuring instrumentHEIDENHAIN GMBH DR JOHANNES·Filed 1979·Granted Jul 7, 1981·13 cites·6 claims
- 3360US5553390ALength measuring systemHEIDENHAIN GMBH DR JOHANNES·Filed 1994·Granted Sep 10, 1996·17 cites·16 claims
- 3460US5548902AMulti-coordinate probeHEIDENHAIN GMBH DR JOHANNES·Filed 1994·Granted Aug 27, 1996·19 cites·6 claims
- 3558US4549808AMovable aperture photoelectric measuring instrumentHEIDENHAIN GMBH DR JOHANNES·Filed 1983·Granted Oct 29, 1985·11 cites·15 claims
- 3658US4171160ADistance measuring instrumentHEIDENHAIN GMBH DR JOHANNES·Filed 1977·Granted Oct 16, 1979·12 cites·7 claims
- 3756US4547772AMulticoordinate sensing headHEIDENHAIN GMBH DR JOHANNES·Filed 1983·Granted Oct 15, 1985·12 cites·17 claims
- 3853US5066857AIncremental angle encoder having spiral scanning field and multiple discsJOHANNES HEIDENHEIM GMBH·Filed 1990·Granted Nov 19, 1991·18 cites·21 claims
- 3953US4819546ADevice for measuring feed movementHEIDENHAIN GMBH DR JOHANNES·Filed 1987·Granted Apr 11, 1989·13 cites·6 claims
- 4053US4549356ASealing arrangement for multicoordinate sensing headHEIDENHAIN GMBH DR JOHANNES·Filed 1985·Granted Oct 29, 1985·13 cites·5 claims
- 4152US4763417AMulti-coordinate probeHEIDENHAIN GMBH DR JOHANNES·Filed 1987·Granted Aug 16, 1988·12 cites·10 claims
- 4250US4117601ALongitudinal measuring instrumentHEIDENHAIN GMBH DR JOHANNES·Filed 1977·Granted Oct 3, 1978·9 cites·15 claims
- 4347US4951399APosition measuring deviceHEIDENHAIN GMBH DR JOHANNES·Filed 1989·Granted Aug 28, 1990·8 cites·12 claims
- 4443US4243325AOptical distance measuring instrumentHEIDENHAIN GMBH DR JOHANNES·Filed 1978·Granted Jan 6, 1981·6 cites·11 claims
- 4542US4987302APhotoelectric angle measuring apparatus whose optically projecting focal line coincides with the axis of rotation of the scale carrierHEIDENHAIN GMBH DR JOHANNES·Filed 1989·Granted Jan 22, 1991·6 cites·4 claims
- 4641US4517742AApparatus and method for correcting errors in a length or angle measuring systemHEIDENHAIN GMBH DR JOHANNES·Filed 1983·Granted May 21, 1985·6 cites·21 claims
- 4737US4897929AMulti-coordinate probeHEIDENHAIN GMBH DR JOHANNES·Filed 1986·Granted Feb 6, 1990·7 cites·5 claims
- 4837US4743754ALength- or angle-measuring arrangementHEIDENHAIN GMBH DR JOHANNES·Filed 1987·Granted May 10, 1988·3 cites·4 claims
- 4935USD282460SElectronic hand wheel for controlling the operating components of a machine or the likeHEIDENHAIN GMBH DR JOHANNES·Filed 1982·Granted Feb 4, 1986·1 cites·1 claims
- 5034US4567665APosition sensing apparatusHEIDENHAIN GMBH DR JOHANNES·Filed 1984·Granted Feb 4, 1986·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →