Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8347970 | Wellhead tubular connector | Kenneth Melvin Reed | 2013-01-08 |
| 7441594 | Full bore wellhead load shoulder and support ring | Garry Lee Cocker, Bok Soo Yook | 2008-10-28 |
| 7350583 | One trip string tensioning and hanger securing method | Dennis P. Nguyen | 2008-04-01 |
| 6905148 | Connector for securing conduits | Dennis P. Nguyen | 2005-06-14 |
| 6695356 | Connector for securing conduits | Dennis P. Nguyen | 2004-02-24 |
| 6516887 | Method and apparatus for tensioning tubular members | Dennis P. Nguyen | 2003-02-11 |
| 6328108 | Adjustable sub-tension hanger | Dennis P. Nguyen | 2001-12-11 |
| 4828293 | Wellhead slip and seal assembly | Jerry D. Smith | 1989-05-09 |
| 4790379 | Wellhead hanger | — | 1988-12-13 |
| 4381114 | Packoff and seal ring assembly with injected plastic packing | — | 1983-04-26 |
| 4190270 | Tubing hanger for temperature variations and extremes | — | 1980-02-26 |