Issued Patents 2011
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079129 | Installation-ready pipe coupling method of manufacture | John Gibb | 2011-12-20 |
| 8069547 | Installation-ready pipe coupling method of manufacture | John Gibb | 2011-12-06 |
| 7996981 | Method of joining pipes in end to end relation | Anthony J. Cuvo | 2011-08-16 |
| 7988207 | Couplings having stiffening ribs and keys with oppositely disposed camming surfaces | Vance W. Henry | 2011-08-02 |
| 7950701 | Pipe coupling having movable gripping bodies | Michael V. Porter, Torrey G. Sipos | 2011-05-31 |
| D636854 | Pipe coupling segment | Alan M. Yesavage | 2011-04-26 |
| D636471 | Pipe coupling segment | Alan M. Yesavage | 2011-04-19 |
| D636470 | Pipe coupling segment | Andrzej Domagala | 2011-04-19 |
| D636469 | Pipe coupling segment | Alan M. Yesavage | 2011-04-19 |
| 7921536 | Method of pre-assembling pipe couplings and joining pipe elements | — | 2011-04-12 |