Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5062667 | Connection seal | Joe R. Fowler, Stewart A. Fox, Bryan Lane | 1991-11-05 |
| 5004275 | Clamp | — | 1991-04-02 |
| 4895397 | Clamp | — | 1990-01-23 |
| 4790058 | Clamp | — | 1988-12-13 |
| 4776453 | Accumulating conveyor | — | 1988-10-11 |
| 4753461 | Coupling for coupling tubular members | — | 1988-06-28 |
| 4699405 | Coupling for coupling tubular members | — | 1987-10-13 |
| 4681212 | Accumulating conveyor | — | 1987-07-21 |
| 4618173 | Swivel coupling element | Emil E. Dopyera | 1986-10-21 |
| 4608739 | Connector of and sealing of tubular members | — | 1986-09-02 |
| 4598818 | Accumulating conveyor | — | 1986-07-08 |
| 4530526 | Swivel coupling element | Emil E. Dopyera | 1985-07-23 |
| 4456073 | Flexible connection apparatus | James R. Barth, Joe R. Fowler, Wilbur A. Hitchcock | 1984-06-26 |
| 4441606 | Accumulating transfer unit | Robert C. Brandenburg | 1984-04-10 |
| 4436325 | Coupling | — | 1984-03-13 |
| 4381871 | Swivel coupling element | Emil E. Dopyera | 1983-05-03 |
| 4372584 | Coupling for coupling tubular elements | — | 1983-02-08 |
| 4348039 | Release coupling | — | 1982-09-07 |