Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957161 | Device for pumping a fluid at the bottom of a well | Henri Cholet | 1990-09-18 |
| 4443165 | Moineau pump with helicoidal coupling sleeve | — | 1984-04-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957161 | Device for pumping a fluid at the bottom of a well | Henri Cholet | 1990-09-18 |
| 4443165 | Moineau pump with helicoidal coupling sleeve | — | 1984-04-17 |