Biffle; Morris S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Biffle; Morris S..The latest application filed is for "drilling media injection for rotating blowout preventors".
- Biffle; Morris S. - Midland TX
- Biffle; Morris S. - Odessa TX
- Biffle; Morris S. - Vermilion OH
| Patent | Date |
|---|---|
| Drilling media injection for rotating blowout preventors Grant 4,529,210 - Biffle July 16, 1 | 1985-07-16 |
| High pressure rotary stripper Grant 4,500,094 - Biffle February 19, 1 | 1985-02-19 |
| Modified rotating head assembly for rotating blowout preventors Grant 4,441,551 - Biffle April 10, 1 | 1984-04-10 |
| Rotating blowout preventor with improved seal assembly Grant 4,367,795 - Biffle January 11, 1 | 1983-01-11 |
| Rotating blowout preventor with index kelly drive bushing and stripper rubber Grant 4,208,056 - Biffle June 17, 1 | 1980-06-17 |
| Rotating blowout preventor with rigid washpipe Grant 4,154,448 - Biffle May 15, 1 | 1979-05-15 |
| Method of sealing the annulus between a toolstring and casing head Grant 3,965,987 - Biffle June 29, 1 | 1976-06-29 |
| Rotary Drilling Head Assembly Grant 3,868,832 - Biffle March 4, 1 | 1975-03-04 |
| Drill Head And Sealing Apparatus Therefore Grant 3,724,862 - Biffle April 3, 1 | 1973-04-03 |
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