Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174685 | Enhanced welded pipe, threaded connections, and methods for achieving the same | Christopher E. Desadier | 2021-11-16 |
| 10961787 | Enhanced welded pipe, threaded connections, and methods for achieving the same | Christopher E. Desadier | 2021-03-30 |
| 7578166 | Acoustic transducer calibration block and method | David A. Mandina, Darko Kamenjasevic, Christopher S. O'Neal | 2009-08-25 |
| 6523615 | Electropolishing method for oil field tubular goods and drill pipe | John Gandy, Charlie Mauldin | 2003-02-25 |