Inventor · disambiguated record
David H. Clifford
Also filed as: CLIFFORD DAVID · CLIFFORD DAVID H · CLIFFORD DAVID HAHN
24 granted patents·8 pending applications·57 citations·filing 2017–2024
93Inventor score
Top patents by PatentIndex Score
32 records- 0198US11462021B2Obstacle detection and notification for motorcyclesGM GLOBAL TECH OPERATIONS LLC·Filed 2021·Granted Oct 4, 2022·12 cites·18 claims
- 0296US11798290B2Obstacle detection and notification for motorcyclesGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Oct 24, 2023·4 cites·20 claims
- 0392US11138873B1Road element sensors and identifiersCAVNUE TECH LLC·Filed 2021·Granted Oct 5, 2021·19 cites·18 claims
- 0485US12002357B2Data consumable for intelligent transport systemCAVNUE TECH LLC·Filed 2022·Granted Jun 4, 2024·2 cites·20 claims
- 0583US11807090B2Motor vehicle with cognitive response test system for preemptively detecting potential driver impairmentGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Nov 7, 2023·2 cites·20 claims
- 0677US10346695B2Method and apparatus for classifying LIDAR data for object detectionGEN MOTORS LLC·Filed 2017·Granted Jul 9, 2019·4 cites·18 claims
- 0773US10210387B2Method and apparatus for detecting and classifying objects associated with vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Feb 19, 2019·2 cites·18 claims
- 0873US2024395140A1Data Consumable for Intelligent Transport SystemCAVNUE TECH LLC·Filed 2024·Application pending·0 cites
- 0972US10620637B2Systems and methods for detection, classification, and geolocation of traffic objectsGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Apr 14, 2020·3 cites·16 claims
- 1071US12361822B2Road element sensors and identifiersCAVNUE TECH LLC·Filed 2023·Granted Jul 15, 2025·0 cites·12 claims
- 1170US11655028B2Reinforcement learning based system for aerial imagery acquisition using drone following target vehicleGEN MOTORS LLC·Filed 2020·Granted May 23, 2023·1 cites·20 claims
- 1269US11156717B2Method and apparatus crosstalk and multipath noise reduction in a LIDAR systemGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Oct 26, 2021·3 cites·17 claims
- 1368US11499833B2Inferring lane boundaries via high speed vehicle telemetryGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Nov 15, 2022·1 cites·20 claims
- 1467US11610480B2Road element sensors and identifiersCAVNUE TECH LLC·Filed 2021·Granted Mar 21, 2023·0 cites·20 claims
- 1567US10599140B2System and method for mitigation of anomalous data in a connected vehicle systemGEN MOTORS LLC·Filed 2018·Granted Mar 24, 2020·2 cites·18 claims
- 1666US10688961B2In-vehicle smoke detection and reporting system and method for car sharing and ride sharing vehiclesGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jun 23, 2020·2 cites·20 claims
- 1760US12299074B2Acoustic sensor processingCAVNUE TECH LLC·Filed 2022·Granted May 13, 2025·0 cites·19 claims
- 1856US11836992B2Identification and clustering of lane lines on roadways using reinforcement learningGEN MOTORS LLC·Filed 2021·Granted Dec 5, 2023·0 cites·20 claims
- 1955US12315367B2Intelligent entry and egress for dedicated laneCAVNUE TECH LLC·Filed 2021·Granted May 27, 2025·0 cites·19 claims
- 2054US12112626B2Signal head processing systemCAVNUE TECH LLC·Filed 2022·Granted Oct 8, 2024·0 cites·16 claims
- 2153US11380093B2Detecting road edges by fusing aerial image and telemetry evidencesGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Jul 5, 2022·0 cites·10 claims
- 2251US11654918B2Estimation of road centerline based on vehicle telemetryGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted May 23, 2023·0 cites·16 claims
- 2348US2024317268A1Detection of latent failures in autonomous vehiclesCAVNUE TECH LLC·Filed 2023·Application pending·0 cites
- 2447US12056815B2Generating map features based on aerial data and telemetry dataGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Aug 6, 2024·0 cites·12 claims
- 2545US11221392B2Lidar object detection and data communicationsGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Jan 11, 2022·0 cites·19 claims
- 2642US2022250652A1Virtual lane methods and systemsGM GLOBAL TECH OPERATIONS LLC·Filed 2021·Application pending·0 cites
- 2741US10685261B2Active segmention of scanned images based on deep reinforcement learning for OCR applicationsGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Jun 16, 2020·0 cites·20 claims
- 2840US2020290620A1Method and apparatus for high definition map based vehicle control for assisted drivingGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Application pending·0 cites
- 2938US2019377336A1Method and system for distributed ledger technology communications for vehiclesGEN MOTORS LLC·Filed 2018·Application pending·0 cites
- 3036US2020387161A1Systems and methods for training an autonomous vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Application pending·0 cites
- 3135US2021004566A1Method and apparatus for 3d object bounding for 2d image dataGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Application pending·0 cites
- 3234US2019259274A1System and method for managing trust using distributed ledgers in a connected vehicle networkGEN MOTORS LLC·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →