Inventor · disambiguated record
Douglas J. Spry
Also filed as: SPRY DOUGLAS J · SPRY DOUGLAS JAMES
6 granted patents·1 pending application·6 citations·filing 2019–2024
70Inventor score
Files withGM GLOBAL TECH OPERATIONS LLC7
Top patents by PatentIndex Score
7 records- 0187US11453261B2Trailer to vehicle integral current draw managementGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Sep 27, 2022·3 cites·13 claims
- 0280US11167737B2Method and apparatus for assisted deceleration based trailer brakingGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Nov 9, 2021·3 cites·15 claims
- 0368US12466472B2Steering wheel angle sensor estimation and validation systemGM GLOBAL TECH OPERATIONS LLC·Filed 2024·Granted Nov 11, 2025·0 cites·20 claims
- 0460US11745705B2Systems for anti-lock braking for a tow vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Sep 5, 2023·0 cites·20 claims
- 0556US12460365B2Emitter array for a lunar roverGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Granted Nov 4, 2025·0 cites·15 claims
- 0652US11860125B2Prognostics system for detecting wear in encoders used to sense wheel speed in vehiclesGM GLOBAL TECH OPERATIONS LLC·Filed 2021·Granted Jan 2, 2024·0 cites·20 claims
- 0747US2024227442A1Double wall axles and extension rods for a lunar rover chassisGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →