Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7086669 | Method and apparatus for sealing radially expanded joints | D. Scott Costa, Richard W. DeLange | 2006-08-08 |
| 6893057 | Threaded pipe connection | — | 2005-05-17 |
| 6609735 | Threaded and coupled connection for improved fatigue resistance | Richard W. DeLange | 2003-08-26 |
| 6550821 | Threaded connection | Richard W. DeLange | 2003-04-22 |
| 6409175 | Expandable joint connector | D. Scott Costa, James N. Brock | 2002-06-25 |