David L. Schaeffer

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Louisville, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Slack adjuster assembly for heavy-duty vehicles
- Patent number 12,305,728
- Issue date May 20, 2025
- Hendrickson USA, L.L.C.
- Jay D. White
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Knuckle for a self-steering axle/suspension system
- Patent number 11,891,141
- Issue date Feb 6, 2024
- Hendrickson USA, L.L.C.
- Jay D. White
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Slack adjuster assembly for drum braking systems
- Patent number 11,746,846
- Issue date Sep 5, 2023
- Hendrickson USA, L.L.C.
- Jeffrey R. Wittlinger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
SLACK ADJUSTER ASSEMBLY FOR DRUM BRAKING SYSTEMS
- Publication number 20230243394
- Publication date Aug 3, 2023
- Hendrickson USA, L.L.C.
- Jeffrey R. Wittlinger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SLACK ADJUSTER ASSEMBLY FOR HEAVY-DUTY VEHICLES
- Publication number 20230088211
- Publication date Mar 23, 2023
- Hendrickson USA, L.L.C.
- Jay D. White
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
KNUCKLE FOR A SELF-STEERING AXLE/SUSPENSION SYSTEM
- Publication number 20220185369
- Publication date Jun 16, 2022
- Hendrickson USA, L.L.C.
- Jay D. White
- B60 - VEHICLES IN GENERAL
Information Patent Application
SLACK ADJUSTER ASSEMBLY FOR DRUM BRAKING SYSTEMS
- Publication number 20220065317
- Publication date Mar 3, 2022
- Hendrickson USA, L.L.C.
- Jeffrey R. Wittlinger
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...