Issued Patents All Time
Showing 151–175 of 206 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D570458 | Mechanical coupling | John Gibb, Michael V. Porter, William A. Nagle | 2008-06-03 |
| D568970 | Pipe coupling | John Gibb, Michael V. Porter, William A. Nagle | 2008-05-13 |
| D568971 | Mechanical coupling | John Gibb, Michael V. Porter, William A. Nagle | 2008-05-13 |
| D568451 | Mechanical coupling | John Gibb, Michael V. Porter, William A. Nagle | 2008-05-06 |
| 7341287 | Deformable mechanical pipe coupling | John Gibb, Michael S. Pigott | 2008-03-11 |
| D560764 | Mechanical coupling | John Gibb, Michael V. Porter, William A. Nagle | 2008-01-29 |
| D558307 | Pipe coupling | John Gibb, Michael V. Porter, William A. Nagle | 2007-12-25 |
| 7296451 | Roller tool for forming grooves in pipes | — | 2007-11-20 |
| 7143626 | Crimping jaw having energy efficient crimping dies | — | 2006-12-05 |
| 7144047 | Flexible pipe coupling | — | 2006-12-05 |
| 7121593 | Triple-expanded mechanical pipe coupling derived from a standard fitting | Ronald R. Snyder, Sr., Charles E. Wilk, Jr., Lawrence W. Thau, Jr., Terrance M. Carom | 2006-10-17 |
| 7090259 | Anti-mismatch of near-sized coupling segments | — | 2006-08-15 |
| 7086131 | Deformable mechanical pipe coupling | John Gibb, Michael S. Pigott | 2006-08-08 |
| 6993848 | Pipe preparation device | Ronald R. Snyder, Sr. | 2006-02-07 |
| 6993949 | Power or manually operated pipe grooving tool | — | 2006-02-07 |
| 6935152 | Orbiting roller groover for pipe | Ronald R. Snyder, Sr. | 2005-08-30 |
| 6918278 | Pipe preparation tool adaptable for different diameter pipes | Ronald R. Snyder, Sr. | 2005-07-19 |
| 6913292 | Mechanical pipe coupling derived from a standard fitting | Ronald R. Snyder, Sr., Charles E. Wilk, Jr., Lawrence W. Thau, Jr., Terrance M. Carom | 2005-07-05 |
| D495404 | Pipe coupling | Charles E. Wilk, Jr., Lawrence W. Thau, Jr., Ronald R. Snyder, Sr. | 2004-08-31 |
| D493512 | Pipe coupling | Charles E. Wilk, Jr., Lawrence W. Thau, Jr., Ronald R. Snyder, Sr. | 2004-07-27 |
| D493214 | Pipe coupling | Ronald R. Snyder, Sr., Charles E. Wilk, Jr., Lawrence W. Thau, Jr. | 2004-07-20 |
| D484576 | Patterned internal end band for fittings | Ronald R. Snyder, Sr. | 2003-12-30 |
| 6666062 | Pipe preparation device | Vance W. Henry | 2003-12-23 |
| D483441 | Pipe coupling | Charles E. Wilk, Jr., Lawrence W. Thau, Jr., Ronald R. Snyder, Sr. | 2003-12-09 |
| D483094 | Pipe coupling | Charles E. Wilk, Jr., Lawrence W. Thau, Jr., Ronald R. Snyder, Sr. | 2003-12-02 |