Dower; Ethell J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dower; Ethell J..The latest application filed is for "method and apparatus for controlling a surging flow in a closed conduit".
- Dower; Ethell J. - Houston TX
| Patent | Date |
|---|---|
| Method and apparatus for controlling a surging flow in a closed conduit Grant 4,099,536 - Dower July 11, 1 | 1978-07-11 |
| Pneumatic apparatus for measuring rate of movement Grant 3,994,176 - Dower November 30, 1 | 1976-11-30 |
| Dual pump control systems Grant 3,917,436 - Dower November 4, 1 | 1975-11-04 |
| Drilling control transfer systems Grant 3,893,525 - Dower , et al. July 8, 1 | 1975-07-08 |
| Method And Apparatus For Sensing Downhole Well Conditions In A Wellbore Grant 3,595,075 - Dower July 27, 1 | 1971-07-27 |
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