Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473384 | Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms | Harry McGraw, Leslie M. Bland, Daniel S. Bangert, Rizal Masingkan | 2022-10-18 |
| 10851605 | Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms | Harry McGraw, Leslie M. Bland, Daniel S. Bangert, Rizal Masingkan | 2020-12-01 |
| 10253587 | Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms | Harry McGraw, Leslie M. Bland, Daniel S. Bangert, Rizal Masingkan | 2019-04-09 |
| 9851038 | Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms | Harry McGraw, Leslie M. Bland, Daniel S. Bangert, Rizal Masingkan | 2017-12-26 |
| 9194525 | Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms | Harry McGraw, Leslie M. Bland, Daniel S. Bangert, Rizal Masingkan | 2015-11-24 |
| 8714240 | Method for cooling a rotating control device | Thomas F. Bailey, James W. Chambers, Don M. Hannegan | 2014-05-06 |
| 8707979 | Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms | Harry McGraw, Leslie M. Bland, Daniel S. Bangert, Rizal Masingkan | 2014-04-29 |
| 8622078 | Apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms | Harry McGraw, Leslie M. Bland, Daniel S. Bangert, Rizal Masingkan | 2014-01-07 |
| 8353337 | Method for cooling a rotating control head | Thomas F. Bailey, James W. Chambers, Don M. Hannegan | 2013-01-15 |
| 8333211 | Method and apparatus of hot tapping multiple coaxial or nested strings of underwater piping and/or tubing for overturned wells or platforms | Harry McGraw, Leslie M. Bland, Daniel S. Bangert, Rizal Masingkan | 2012-12-18 |
| 8215196 | Tong gear shift system | David A. Buck | 2012-07-10 |
| 7926560 | Solid rubber packer for a rotating control device | Thomas F. Bailey, James W. Chambers | 2011-04-19 |
| 7836946 | Rotating control head radial seal protection and leak detection systems | Thomas F. Bailey, James W. Chambers, Don M. Hannegan | 2010-11-23 |
| 7779903 | Solid rubber packer for a rotating control device | Thomas F. Bailey, James W. Chambers | 2010-08-24 |
| 6446524 | Ring gear supporting idler gear | — | 2002-09-10 |