Inventor · disambiguated record
Donald J. Christian
Also filed as: CHRISTIAN DONALD J · CHRISTIAN DONALD JEFFREY
35 granted patents·2 pending applications·1,556 citations·filing 1984–2023
98Inventor score
Top patents by PatentIndex Score
37 records- 0198US10303159B2Systems and methods for additive manufacturing of transport structuresDIVERGENT TECH INC·Filed 2017·Granted May 28, 2019·117 cites·36 claims
- 0298US5054918ALight scanning system for measurement of orientation and physical features of a workpieceFMC CORP·Filed 1990·Granted Oct 8, 1991·184 cites·45 claims
- 0392US4815353APhotonic pickup for musical instrumentCHRISTIAN DONALD J·Filed 1988·Granted Mar 28, 1989·70 cites·1 claims
- 0492US4750123AMethod for predicting tracking cameras for free-roaming mobile robotsTEXAS INSTRUMENTS INC·Filed 1985·Granted Jun 7, 1988·93 cites·15 claims
- 0591US5314071AGlass sorterFMC CORP·Filed 1992·Granted May 24, 1994·95 cites·17 claims
- 0690US5243665AComponent surface distortion evaluation apparatus and methodFMC CORP·Filed 1992·Granted Sep 7, 1993·167 cites·38 claims
- 0789US11735914B2Methods for electrical power-transfer systemsGOPLUG INC·Filed 2021·Granted Aug 22, 2023·2 cites·21 claims
- 0888US11190014B1Power line monitorGOPLUG LLC·Filed 2021·Granted Nov 30, 2021·4 cites·20 claims
- 0988US5180122AApparatus for deicingFMC CORP·Filed 1991·Granted Jan 19, 1993·86 cites·24 claims
- 1087US4779203AVisual navigation system for mobile robotsTEXAS INSTRUMENTS INC·Filed 1985·Granted Oct 18, 1988·73 cites·22 claims
- 1186US5969246AApparatus and method for determining axial stabilitySNAP ON TECH INC·Filed 1997·Granted Oct 19, 1999·68 cites·36 claims
- 1285USD447492SHood surfaceDEERE & CO·Filed 2000·Granted Sep 4, 2001·32 cites·1 claims
- 1385US4887223AVisual navigation system for a mobile robot having capabilities of regenerating of hidden imagesTEXAS INSTRUMENTS INC·Filed 1988·Granted Dec 12, 1989·55 cites·34 claims
- 1484USD979512SElectrical connectorGOPLUG INC·Filed 2022·Granted Feb 28, 2023·11 cites·1 claims
- 1582US4696047AApparatus for automatically inspecting electrical connecting pinsTEXAS INSTRUMENTS INC·Filed 1985·Granted Sep 22, 1987·54 cites·6 claims
- 1681USD1046783SElectrical vehicle charging connectorGOPLUG INC·Filed 2021·Granted Oct 15, 2024·9 cites·1 claims
- 1781US4789940AMethod and apparatus for filtering reflections from direct images for mobile robot navigationTEXAS INSTRUMENTS INC·Filed 1985·Granted Dec 6, 1988·45 cites·22 claims
- 1880US10357959B2Methods and apparatus for additively manufactured identification featuresDIVERGENT TECH INC·Filed 2017·Granted Jul 23, 2019·2 cites·15 claims
- 1980USD439871SSteering wheelDEERE & CO·Filed 2000·Granted Apr 3, 2001·30 cites·1 claims
- 2080US4916640AVideo image processing systemALLEN BRADLEY CO·Filed 1987·Granted Apr 10, 1990·72 cites·20 claims
- 2175US12113359B2Method and systems for electrical power transferGOPLUG INC·Filed 2023·Granted Oct 8, 2024·0 cites·4 claims
- 2275USD447491SBumper surfaceDEERE & CO·Filed 2000·Granted Sep 4, 2001·21 cites·1 claims
- 2373US5220399AWide angle wheel alignment systemCHRISTIAN DONALD J·Filed 1991·Granted Jun 15, 1993·33 cites·53 claims
- 2468US6323776B1Method and apparatus of automatically identifying faults in a machine vision measuring systemSNAP ON TECH INC·Filed 1999·Granted Nov 27, 2001·74 cites·18 claims
- 2566USD441469SHeadlight lensDEERE & CO·Filed 2000·Granted May 1, 2001·14 cites·1 claims
- 2663USD447753SGrille surfaceDEERE & CO·Filed 2000·Granted Sep 11, 2001·13 cites·1 claims
- 2762US5337885AAlignment monitor and methodFMC CORP·Filed 1993·Granted Aug 16, 1994·21 cites·5 claims
- 2861US11001047B2Methods for additively manufactured identification featuresDIVERGENT TECH INC·Filed 2019·Granted May 11, 2021·0 cites·20 claims
- 2958US4589141AApparatus for automatically inspecting printed labelsTEXAS INSTRUMENTS INC·Filed 1984·Granted May 13, 1986·28 cites·5 claims
- 3054US5895910AElectro-optic apparatus for imaging objectsFMC CORP·Filed 1996·Granted Apr 20, 1999·20 cites·14 claims
- 3154US4882694AApparatus for visually locating and communicating with mobile robotsTEXAS INSTRUMENTS INC·Filed 1988·Granted Nov 21, 1989·20 cites·14 claims
- 3253US5280433AShape adaptive process apparatusFMC CORP·Filed 1991·Granted Jan 18, 1994·16 cites·4 claims
- 3345US5307279ASelf diagnostic wheel balancerFMC CORP·Filed 1991·Granted Apr 26, 1994·11 cites·18 claims
- 3439US2013105241A1Electric vehicle powertrain suspension systemCHRISTIAN DONALD J·Filed 2011·Application pending·0 cites
- 3537US2012316711A1Cooling system with anomaly detectionCHRISTIAN DONALD J·Filed 2011·Application pending·0 cites
- 3636US5109715ALocation designator for wheel service machinesFMC CORP·Filed 1991·Granted May 5, 1992·6 cites·31 claims
- 3732US4924307AImage processorALLEN BRADLEY CO·Filed 1988·Granted May 8, 1990·10 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Donald J. Christian files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →