Grove; Marvin H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Grove; Marvin H..The latest application filed is for "valve construction".
- Grove; Marvin H. - Houston TX
| Patent | Date |
|---|---|
| Valve construction Grant 4,062,516 - Grove December 13, 1 | 1977-12-13 |
| Liquid meter prover apparatus Grant 3,998,089 - Grove , et al. December 21, 1 | 1976-12-21 |
| Valve construction Grant 3,972,507 - Grove August 3, 1 | 1976-08-03 |
| Flow control apparatus Grant 3,955,796 - Grove May 11, 1 | 1976-05-11 |
| Sphere launcher and meter prover apparatus and method Grant 3,911,724 - Grove , et al. October 14, 1 | 1975-10-14 |
| Valve apparatus and method Grant 3,890,991 - Grove , et al. June 24, 1 | 1975-06-24 |
| Flow Diverting Apparatus And Method Grant 3,860,033 - Grove , et al. January 14, 1 | 1975-01-14 |
| Fabricated Ball Valve Grant 3,841,601 - Grove , et al. October 15, 1 | 1974-10-15 |
| Sphere Handling Apparatus And Method Grant 3,809,113 - Grove , et al. May 7, 1 | 1974-05-07 |
| Meter Prover Apparatus And Method Grant 3,777,545 - Grove , et al. December 11, 1 | 1973-12-11 |
| Valve Construction And Method Grant 3,765,647 - Grove , et al. October 16, 1 | 1973-10-16 |
| Valve Construction Grant 3,752,178 - Grove , et al. August 14, 1 | 1973-08-14 |
| Meter Proving Method And Apparatus Grant 3,668,923 - Grove , et al. June 13, 1 | 1972-06-13 |
| Ball Valve Grant 3,656,498 - Grove , et al. April 18, 1 | 1972-04-18 |
| Valve Apparatus Having Leak-detecting Means Grant 3,641,542 - Grove , et al. February 8, 1 | 1972-02-08 |
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