Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8575923 | Method and apparatus for special end area inspection | — | 2013-11-05 |
| 7431550 | Pipe handling apparatus for pick-up and lay-down machine | — | 2008-10-07 |
| 7404697 | Height-adjustable pipe pick-up and laydown machine | — | 2008-07-29 |
| 5861608 | EDM cutting machine for precision notching tubulars | — | 1999-01-19 |
| 5007291 | Ultrasonic inspection apparatus with centering means for tubular members | William T. Walters | 1991-04-16 |
| 4948933 | Apparatus for cutting precision notches in work surfaces | — | 1990-08-14 |
| 4916394 | Device for adjustable mounting of magnetic sensing coils used in pipe inspection | — | 1990-04-10 |
| 4403898 | Pipe pick-up and laydown machine | — | 1983-09-13 |
| 4187425 | Pipe inspection systems | — | 1980-02-05 |