| 11725756 |
Adapter coupling |
Matthew A. Bowman |
2023-08-15 |
| 11346472 |
Coupling and circumferential groove shape |
Justin P. Brandt, Philip Wayne Bancroft |
2022-05-31 |
| 11060639 |
Adapter coupling |
Matthew A. Bowman |
2021-07-13 |
| 10190707 |
Coupling and circumferential groove shape |
Justin P. Brandt, Philip Wayne Bancroft |
2019-01-29 |
| D756212 |
Pipe coupling segment |
Charles E. Wilk, Jr., Scott D. Madara, Douglas R. Dole |
2016-05-17 |
| 9333543 |
Pipe element having shoulder, groove and bead |
Douglas R. Dole, Charles E. Wilk, Jr., Scott D. Madara |
2016-05-10 |
| D755621 |
Pipe coupling segment |
Scott D. Madara, Charles E. Wilk, Jr., Douglas R. Dole |
2016-05-10 |
| D750957 |
Pipe coupling segment |
Scott D. Madara, Charles E. Wilk, Jr., Douglas R. Dole |
2016-03-08 |
| D720051 |
Pipe element |
Douglas R. Dole, Scott D. Madara, Charles E. Wilk, Jr. |
2014-12-23 |
| 8777277 |
Pipe element having shoulder, groove and bead and methods and apparatus for manufacture thereof |
Douglas R. Dole, Charles E. Wilk, Jr., Scott D. Madara |
2014-07-15 |
| RE44444 |
Method of joining pipes in end to end relation |
Douglas R. Dole |
2013-08-20 |
| D674061 |
Pipe coupling segment |
Scott D. Madara, Charles E. Wilk, Jr., Douglas R. Dole |
2013-01-08 |
| D674062 |
Pipe coupling segment |
Scott D. Madara, Charles E. Wilk, Jr., Douglas R. Dole |
2013-01-08 |
| D674064 |
Pipe coupling segment |
Douglas R. Dole, Scott D. Madara, Charles E. Wilk, Jr. |
2013-01-08 |
| D674063 |
Pipe coupling segment |
Charles E. Wilk, Jr., Douglas R. Dole, Scott D. Madara |
2013-01-08 |
| D674059 |
Pipe coupling segment |
Scott D. Madara, Charles E. Wilk, Jr., Douglas R. Dole |
2013-01-08 |
| D674060 |
Pipe coupling segment |
Charles E. Wilk, Jr., Douglas R. Dole, Scott D. Madara |
2013-01-08 |
| D673248 |
Pipe coupling segment |
Douglas R. Dole, Scott D. Madara, Charles E. Wilk, Jr. |
2012-12-25 |
| D672849 |
Pipe coupling segment |
Scott D. Madara, Charles E. Wilk, Jr., Douglas R. Dole |
2012-12-18 |
| D665889 |
Pipe coupling segment |
Douglas R. Dole, Scott D. Madara, Charles E. Wilk, Jr. |
2012-08-21 |
| D665888 |
Pipe coupling segment |
Charles E. Wilk, Jr., Douglas R. Dole, Scott D. Madara |
2012-08-21 |
| D665056 |
Pipe coupling segment |
Scott D. Madara, Charles E. Wilk, Jr., Douglas R. Dole |
2012-08-07 |
| D665057 |
Pipe coupling segment |
Scott D. Madara, Charles E. Wilk, Jr., Douglas R. Dole |
2012-08-07 |
| D665058 |
Pipe coupling segment |
Scott D. Madara, Charles E. Wilk, Jr., Douglas R. Dole |
2012-08-07 |
| D665059 |
Pipe coupling segment |
Scott D. Madara, Charles E. Wilk, Jr., Douglas R. Dole |
2012-08-07 |