Yonker, John H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yonker, John H..The latest application filed is for "internal support apparatus for downhole tubular structures and method of use".
- Yonker, John H. - Carrollton TX
- Yonker; John H. - Carrolton TX
- Yonker; John H. - Dallas TX
| Patent | Date |
|---|---|
| Internal support apparatus for downhole tubular structures and method of use App 20030234111 - Echols, Ralph H. ; et al. | 2003-12-25 |
| Plug or lock for use in oil field tubular members and an operating system therefor Grant 5,492,173 - Kilgore , et al. February 20, 1 | 1996-02-20 |
| Coiled tubing deployed inflatable stimulation tool Grant 5,271,461 - Decker , et al. December 21, 1 | 1993-12-21 |
| Wireline retrievable jet cleaning tool Grant 5,195,585 - Clemens , et al. March 23, 1 | 1993-03-23 |
| Method and system for maintenance and servicing of subsea wells Grant 4,730,677 - Pearce , et al. March 15, 1 | 1988-03-15 |
| Valve Grant 4,513,764 - Yonker April 30, 1 | 1985-04-30 |
| Well injection system Grant 4,494,608 - Williams , et al. January 22, 1 | 1985-01-22 |
| Landing nipple Grant 4,294,315 - Yonker , et al. October 13, 1 | 1981-10-13 |
| Well safety valve system Grant 4,273,186 - Pearce , et al. June 16, 1 | 1981-06-16 |
| Kickover tool Grant 4,039,026 - Yonker August 2, 1 | 1977-08-02 |
| Pump down method Grant 3,957,119 - Yonker May 18, 1 | 1976-05-18 |
| Landing and running tool assembly Grant 3,863,715 - Yonker February 4, 1 | 1975-02-04 |
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