Inventor · disambiguated record
Donald K. Mitchell
Also filed as: MITCHELL DONALD K
20 granted patents·1 pending application·484 citations·filing 1974–2007
96Inventor score
Top patents by PatentIndex Score
21 records- 0191US5486923AApparatus for detecting relative movement wherein a detecting means is positioned in the region of natural interferenceMICROE·Filed 1995·Granted Jan 23, 1996·98 cites·40 claims
- 0289US5559600AApparatus for detecting relative movementMICROE INC·Filed 1995·Granted Sep 24, 1996·77 cites·18 claims
- 0387US7324212B2Optical encoder having slanted optical detector elements for harmonic suppressionGSI GROUP CORP·Filed 2007·Granted Jan 29, 2008·13 cites·24 claims
- 0486US5646730ARelative movement detecting apparatus using a detector positioned in a region of natural interferenceMICROE INC·Filed 1996·Granted Jul 8, 1997·58 cites·17 claims
- 0585US7193204B2Multi-track optical encoder employing beam dividerGSI GROUP CORP·Filed 2003·Granted Mar 20, 2007·27 cites·21 claims
- 0676US7067797B1Optical position encoder having alignment indicators providing quantitative alignment indicationsGSI GROUP CORP·Filed 2004·Granted Jun 27, 2006·17 cites·30 claims
- 0774US3938460ASail-raising systemHOOD SAILMAKERS·Filed 1974·Granted Feb 17, 1976·32 cites·4 claims
- 0869US4059063ARoll-furling mainsailHOOD SAILMAKERS·Filed 1976·Granted Nov 22, 1977·18 cites·6 claims
- 0965US5783752ADiffuse surface interference position sensorMICROE·Filed 1997·Granted Jul 21, 1998·24 cites·20 claims
- 1065US3948200AJib sail systemHOOD SAILMAKERS·Filed 1975·Granted Apr 6, 1976·18 cites·8 claims
- 1163US6686585B2Position encoder with scale calibrationMICROE SYSTEMS CORP·Filed 2001·Granted Feb 3, 2004·11 cites·48 claims
- 1257US7343693B2Scale assembly for optical encoder having affixed optical reference markersGSI GROUP CORP·Filed 2006·Granted Mar 18, 2008·2 cites·15 claims
- 1356US4026382ARepetitive detonation seismic surveying method and apparatusSILVERMAN DANIEL·Filed 1974·Granted May 31, 1977·10 cites·16 claims
- 1454US5754295ANon-contacting torque sensor and displacement measuring apparatus and methodMICROE INC·Filed 1996·Granted May 19, 1998·18 cites·24 claims
- 1554US4089060ADigital logarithmic apparatusMITCHELL DONALD K·Filed 1976·Granted May 9, 1978·17 cites·5 claims
- 1644US5022485AMethod and apparatus for detonation of distributed chargesMITCHELL DONALD K·Filed 1990·Granted Jun 11, 1991·17 cites·20 claims
- 1743US2007024865A1Optical encoder having slanted optical detector elements for harmonic suppressionMITCHELL DONALD K·Filed 2005·Application pending·0 cites
- 1841US4991684AMethod and apparatus for detonation of distributed chargesMITCHELL DONALD K·Filed 1989·Granted Feb 12, 1991·10 cites·41 claims
- 1941US4057023AHalyard rig for roll-furling mainsailHOOD SAILMAKERS·Filed 1976·Granted Nov 8, 1977·7 cites·1 claims
- 2032US3980865AElectronic integrator for gas volume calculationsFLOW MEASUREMENT COMPANY INC·Filed 1975·Granted Sep 14, 1976·7 cites·8 claims
- 2129US4030439ABoom gooseneck fitting providing mainsail roller-furlingHOOD SAILMAKERS·Filed 1976·Granted Jun 21, 1977·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →