David Birdwell

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Garland, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods of and compositions for controlling friction
- Patent number 10,814,890
- Issue date Oct 27, 2020
- Whitmore Manufacturing, LLC
- Kelvin Chiddick
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Thixotropic gel or liquid for friction control and method of using...
- Patent number 10,214,225
- Issue date Feb 26, 2019
- Whitmore Manufacturing, LLC
- Kelvin Chiddick
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Top of rail applicator and method of using the same
- Patent number 10,173,700
- Issue date Jan 8, 2019
- Whitmore Manufacturing, LLC
- Dalton Lee Graham
- B61 - RAILWAYS
Information Patent Grant
Positive friction control composition for railways
- Patent number 9,617,498
- Issue date Apr 11, 2017
- Whitmore Manufacturing, LLC
- Kelvin Chiddick
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
FRICTION CONTROL COMPOSITION WITH HIGH AND POSITIVE FRICTION CHARAC...
- Publication number 20210024106
- Publication date Jan 28, 2021
- WHITMORE MANUFACTURING, LLC
- KELVIN CHIDDICK
- B61 - RAILWAYS
Information Patent Application
FRICTION CONTROL COMPOSITION WITH HIGH AND POSITIVE FRICTION CHARAC...
- Publication number 20190176858
- Publication date Jun 13, 2019
- WHITMORE MANUFACTURING, LLC
- KELVIN CHIDDICK
- B61 - RAILWAYS
Information Patent Application
FRICTION CONTROL COMPOSITION WITH HIGH AND POSITIVE FRICTION CHARAC...
- Publication number 20170210400
- Publication date Jul 27, 2017
- WHITMORE MANUFACTURING, LLC
- KELVIN CHIDDICK
- B61 - RAILWAYS
Information Patent Application
TOP OF RAIL APPLICATOR AND METHOD OF USING THE SAME
- Publication number 20160264159
- Publication date Sep 15, 2016
- THE WHITMORE MANUFACTURING COMPANY
- Dalton Lee Graham
- B61 - RAILWAYS
Information Patent Application
POSITIVE FRICTION CONTROL COMPOSITION FOR RAILWAYS
- Publication number 20150344802
- Publication date Dec 3, 2015
- THE WHITMORE MANUFACTURING COMPANY
- KELVIN CHIDDICK
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...