Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4813692 | Pressure balanced S-seal | Robert Alan Barrett, Mark Woozley | 1989-03-21 |
| 4779901 | Sealed rigid pipe joint | — | 1988-10-25 |
| 4759555 | Split ring seal with slip joint | — | 1988-07-26 |
| 4681353 | V-coupling for installation in narrow annular spaces | — | 1987-07-21 |
| 4643463 | Gimbal joint for piping systems | Se Jin Oh | 1987-02-17 |
| 4589666 | Slip joint assembly for a split ring seal | — | 1986-05-20 |
| 4553775 | Resilient annular seal with supporting liner | — | 1985-11-19 |
| 4457523 | Torsionally flexible metallic annular seal | Robert Alan Barrett | 1984-07-03 |
| 4448449 | Flexible piping joint and method of forming same | Bernard J. Sadoff, Jr. | 1984-05-15 |
| 4218067 | Multi-ply sealing rings | — | 1980-08-19 |