Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470740 | Apron for pipe handling system | — | 1984-09-11 |
| 4453872 | Handling apparatus for pipe and other tubulars | Troy D. Cain, John J. Gallagher, William R. Watson | 1984-06-12 |
| 4439091 | Pipe feeding system | — | 1984-03-27 |
| 4426182 | Tubular handling apparatus | Troy D. Cain | 1984-01-17 |
| 4382738 | Pipe handling system | — | 1983-05-10 |
| 4380297 | Pipe storage system | — | 1983-04-19 |
| 4379676 | Pipe handling system | — | 1983-04-12 |
| 4371302 | Pipe handling apparatus | C. W. Minnis, A. Hubert Hawkins, Wendell R. Davis, Jr. | 1983-02-01 |