Douglas A. Watson

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Fort Worth, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Drilling apparatus and related method
- Patent number 11,725,457
- Issue date Aug 15, 2023
- Watson, Incorporated
- Douglas A. Watson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling apparatus and related method
- Patent number 11,414,929
- Issue date Aug 16, 2022
- Watson, Incorporated
- Douglas A. Watson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Kelly bar with locking feature, related system and method
- Patent number 10,890,033
- Issue date Jan 12, 2021
- Watson, Incorporated
- Mark Allan Crosby
- E21 - EARTH DRILLING MINING
Information Patent Grant
Foundation drilling apparatus and method with continuously variable...
- Patent number 7,093,679
- Issue date Aug 22, 2006
- Watson Incorporated
- Douglas A. Watson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
DRILLING APPARATUS AND RELATED METHOD
- Publication number 20220349258
- Publication date Nov 3, 2022
- Watson, Incorporated
- Douglas A. Watson
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILLING APPARATUS AND RELATED METHOD
- Publication number 20210277720
- Publication date Sep 9, 2021
- Watson, Incorporated
- Douglas A. Watson
- E21 - EARTH DRILLING MINING