Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4549678 | Method and apparatus for separating a cut tube end | — | 1985-10-29 |
| 4541316 | Method and apparatus for cutting circular or oval pipes | — | 1985-09-17 |
| 4517867 | Method and apparatus for cutting a cast iron pipe | — | 1985-05-21 |
| 4435894 | Ductile cast iron pipe having constricted end casing | Michel Pierrel | 1984-03-13 |
| 4429445 | Machine for removing burrs from pipe | — | 1984-02-07 |
| 4386544 | Device for rotatably gripping a cylindrical piece | — | 1983-06-07 |
| 4330015 | Ductile cast iron pipe having constricted end casing | Michel Pierrel | 1982-05-18 |