Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11353266 | Multi-zone shell and tube heat exchanger | Adrian S. Sabau, James W. Klett | 2022-06-07 |
| 10634732 | Electrical meter probe contact verification system | Robert J. Warmack, Milton Nance Ericson, Roger A. Kisner | 2020-04-28 |
| 10620065 | Cement having stress-indicating properties | Michael J. Lance, Catherine H. Mattus, James G. Hemrick | 2020-04-14 |
| 10451497 | Stress sensor for cement or fluid applications | Michael J. Lance, James G. Hemrick | 2019-10-22 |
| 8176995 | Reduced-impact sliding pressure control valve for pneumatic hammer drill | Mark C. Grubelich, Mark R. Vaughn | 2012-05-15 |
| 8006776 | Sliding pressure control valve for pneumatic hammer drill | — | 2011-08-30 |
| 7810555 | Injector apparatus and method of use | Rod Shampine, Lawrence J. Leising, Hubertus V. Thomeer, Sarmad Adnan | 2010-10-12 |
| 7404443 | Compensation system for a jacking frame | Bart Patton | 2008-07-29 |
| 7357184 | Jacking frame having a wellhead centralizer and method of use | Bart Patton | 2008-04-15 |
| 7281588 | Tubular injector apparatus and method of use | Rod Shampine, Lawrence J. Leising, Hubertus V. Thomeer, Sarmad Adnan | 2007-10-16 |
| 7073592 | Jacking frame for coiled tubing operations | Rod Shampine, Terry McCafferty | 2006-07-11 |
| 6923253 | Pivoting gooseneck | Vishal Saheta, Rod Shampine | 2005-08-02 |
| 6830101 | Pivoting gooseneck | Vishal Saheta, Rod Shampine | 2004-12-14 |
| 6763890 | Modular coiled tubing system for drilling and production platforms | Rod Shampine, Terry McCafferty | 2004-07-20 |