Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834430 | Pipe socket insert | Jose E. Valls | 1989-05-30 |
| 4826028 | Gasket seating ring | Jose E. Valls | 1989-05-02 |
| 4723905 | Pipe belling apparatus | Jose E. Valls | 1988-02-09 |
| D291482 | Pipe coupling | Jose E. Valls | 1987-08-18 |
| D291480 | Tee pipe fitting | Jose E. Valls | 1987-08-18 |
| D291481 | Elbow pipe fitting | Jose E. Valls | 1987-08-18 |
| D291483 | Cross tee pipe fitting | Jose E. Valls | 1987-08-18 |
| D289078 | Gasket | Jose E. Valls | 1987-03-31 |
| 4625383 | Method for seating a gasket in a plastic pipe bell using a hard configured ring | Jose E. Valls | 1986-12-02 |
| 4583772 | Pipe fitting interlocking system | Jose E. Valls | 1986-04-22 |
| 4579354 | Gasket | Jose E. Valls | 1986-04-01 |
| 4474392 | Pipe fitting construction | Jose E. Valls | 1984-10-02 |
| 4343480 | Pipe bell and gasket | — | 1982-08-10 |