Young; James Whitehurst
Patent Applications and Registrations
Patent applications and USPTO patent grants for Young; James Whitehurst.The latest application filed is for "vacuum, vacuum-pressure, or pressure circulation bit having jet-assisted vacuum".
- Young; James Whitehurst - Irving TX
| Patent | Date |
|---|---|
| Vacuum, vacuum-pressure, or pressure circulation bit having jet-assisted vacuum Grant 3,958,651 - Young May 25, 1 | 1976-05-25 |
| Pressure and volume compensating system for reciprocating oil field drilling tools Grant 3,898,815 - Young August 12, 1 | 1975-08-12 |
| Spring load system for drill string shock absorbers Grant 3,871,193 - Young March 18, 1 | 1975-03-18 |
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