Jessup; Robert L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Jessup; Robert L..The latest application filed is for "surface packer and method for using the same".
- Jessup; Robert L. - Duncan OK
- Jessup; Robert L. - Marlow OK
| Patent | Date |
|---|---|
| Surface packer and method for using the same Grant 4,718,495 - Lubitz , et al. January 12, 1 | 1988-01-12 |
| Cementing tool with protective sleeve Grant 4,246,968 - Jessup , et al. January 27, 1 | 1981-01-27 |
| Full-opening annulus pressure operated sampler valve with reverse circulation valve Grant 4,063,593 - Jessup December 20, 1 | 1977-12-20 |
| Method and apparatus for annulus pressure responsive circulation and tester valve manipulation Grant 4,044,829 - Jessup , et al. * August 30, 1 | 1977-08-30 |
| Method and apparatus for annulus pressure responsive circulation and tester valve manipulation Grant 3,970,147 - Jessup , et al. July 20, 1 | 1976-07-20 |
| High Pressure Rotatable Pipe Connection Grant 3,776,578 - Jessup , et al. December 4, 1 | 1973-12-04 |
| Apparatus For Conducting Controlled Well Testing Operations Grant 3,762,219 - Jessup October 2, 1 | 1973-10-02 |
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