Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8132587 | Apparatus and method for introducing air into a hydropneumatic reservoir | — | 2012-03-13 |
| 6047721 | Air introduction device for a hydro-pneumatic reservoir | — | 2000-04-11 |
| 5647392 | Air regulation system for hydropneumatic reservoir | — | 1997-07-15 |
| 4472911 | Construction for access to a buried pipeline | Michel Jooris | 1984-09-25 |