Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057123 | Device for a pavement manhole with a support frame for closing a panel hinged on the frame using permanent articulation means | — | 2011-11-15 |
| 7908710 | Device for articulating a cover or lid to a frame in particular of a manhole | Christian Fumalle | 2011-03-22 |
| 7908798 | Device for closing a frame having a panel articulated on the frame | — | 2011-03-22 |
| 7377141 | Device for locking and unlocking a cover or lid on a frame by means of a key | Philippe Javaux | 2008-05-27 |
| 7320236 | Device that makes it possible to lock and unlock, by means of a key, a stopper or cover on a frame | Claudio Pierpaoli | 2008-01-22 |
| 7303669 | Grate for closing a drain and similar | — | 2007-12-04 |
| 7080954 | Ready-to-install road building apparatus and corresponding installation method | Philippe Tievant | 2006-07-25 |
| 6588810 | Closing device with selective locking | — | 2003-07-08 |