Loth, William D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Loth, William D..The latest application filed is for "electric downhole safety valve".
- Loth, William D. - Lower Kingswood GB
- Loth; William D. - Covington LA
- Loth; William D. - Houston TX
| Patent | Date |
|---|---|
| Electric downhole safety valve App 20040173362 - Waithman, James C. P. ; et al. | 2004-09-09 |
| Subsea control systems and apparatus Grant 5,357,999 - Loth , et al. October 25, 1 | 1994-10-25 |
| Apparatus for anchoring an offshore structure Grant 4,039,025 - Burkhardt , et al. August 2, 1 | 1977-08-02 |
| Subsea structure and method for installing the structure and recovering the structure from the sea floor Grant 3,987,638 - Burkhardt , et al. October 26, 1 | 1976-10-26 |
| Well tubing paraffin cutting apparatus and method of operation Grant 3,981,364 - Warner , et al. September 21, 1 | 1976-09-21 |
| Method And Apparatus For Controlling Wells Grant 3,780,809 - Ayers, Jr. , et al. December 25, 1 | 1973-12-25 |
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