Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5832998 | Coiled tubing deployed inflatable stimulation tool | Kenneth L. Decker, Wallace G. Wilke, Jr., Jeffrey S. Walter, James C. Tucker, Kenneth W. McIntyre +2 more | 1998-11-10 |
| 5492173 | Plug or lock for use in oil field tubular members and an operating system therefor | Marion D. Kilgore, Imre I. Gazda, David L. Reesing | 1996-02-20 |
| 5284208 | Production logging system using through flow line tools | Jack Gammill Clemens, Asmundur Jonsson | 1994-02-08 |
| 5271461 | Coiled tubing deployed inflatable stimulation tool | Kenneth L. Decker | 1993-12-21 |
| 5195585 | Wireline retrievable jet cleaning tool | Jack Gammill Clemens, Stewart H. Fowler, Jr., Charles C. Cobb, William G. Boyle | 1993-03-23 |
| 5163515 | Pumpdown toolstring operations in horizontal or high-deviation oil or gas wells | Roger Tailby, Joseph L. Pearce, Marion D. Kilgore, Ronald K. Churchman, Jack Gammill Clemens | 1992-11-17 |
| 4730677 | Method and system for maintenance and servicing of subsea wells | Joseph L. Pearce, Phillip S. Sizer, John C. Gano, Robert L. Thurman, James O'Sullivan +4 more | 1988-03-15 |
| 4530485 | Valve | Charles R. Williams, Otto J. Granhaug | 1985-07-23 |
| 4513764 | Valve | — | 1985-04-30 |
| 4494608 | Well injection system | Charles R. Williams, Robert L. Thurman | 1985-01-22 |
| 4432416 | Well flow control apparatus | William R. Welch, Ernest P. Fisher, Jr. | 1984-02-21 |
| 4428557 | Single line deep depth safety valve | Ernest P. Fisher, Jr. | 1984-01-31 |
| 4418756 | Method and apparatus for performing operations in well tubing | Henry P. Arendt | 1983-12-06 |
| 4294315 | Landing nipple | Ernest P. Fisher, Jr., David Bills | 1981-10-13 |
| 4273186 | Well safety valve system | Joseph L. Pearce, Thomas M. Deaton | 1981-06-16 |
| 4227573 | Reinforced seal unit for pumpdown pistons or well swabs | Joseph L. Pearce, Thomas W. Ray, Donald F. Taylor | 1980-10-14 |