James A. Hargraves

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Petersburg, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Labyrinth seal with interlocking rotor and seal case insert
- Patent number 11,598,375
- Issue date Mar 7, 2023
- Amsted Rail Company, Inc.
- James Hargraves
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Temperature-robust polymer shroud for roller bearing seal
- Patent number 11,506,243
- Issue date Nov 22, 2022
- James Hargraves
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Temperature-robust polymer shroud for roller bearing seal
- Patent number 10,746,228
- Issue date Aug 18, 2020
- Amsted Rail Company, Inc.
- James A. Hargraves
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Slinger for roller bearing seal, and associated assemblies and methods
- Patent number 10,371,210
- Issue date Aug 6, 2019
- Amsted Rail Company, Inc.
- James A. Hargraves
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
LABYRINTH SEAL WITH INTERLOCKING ROTOR AND SEAL CASE INSERT
- Publication number 20210048071
- Publication date Feb 18, 2021
- AMSTED RAIL COMPANY, INC.
- James Hargraves
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Temperature-Robust Polymer Shroud For Roller Bearing Seal
- Publication number 20200340719
- Publication date Oct 29, 2020
- AMSTED RAIL COMPANY, INC.
- James Hargraves
- B60 - VEHICLES IN GENERAL
Information Patent Application
Temperature-Robust Polymer Shroud For Roller Bearing Seal
- Publication number 20190120294
- Publication date Apr 25, 2019
- AMSTED RAIL COMPANY, INC.
- James A. Hargraves
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SLINGER FOR ROLLER BEARING SEAL, AND ASSOCIATED ASSEMBLIES AND METHODS
- Publication number 20180355918
- Publication date Dec 13, 2018
- AMSTED RAIL COMPANY, INC.
- James A. Hargraves
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...