| 8819914 |
Method of securing pipe elements in end to end relation |
Michael V. Porter, Craig Haney, Scott D. Madara, Douglas R. Dole |
2014-09-02 |
| 8267432 |
Coupling having angularly oriented key surfaces |
Scott D. Madara, Charles E. Wilk, Jr., Douglas R. Dole, Michael V. Porter |
2012-09-18 |
| 8136847 |
Coupling having angularly oriented shoulder surfaces |
Scott D. Madara, Vance W. Henry, Charles E. Wilk, Jr., Douglas R. Dole |
2012-03-20 |
| 7818869 |
Method of using a coupling having an angularly oriented cavity |
Douglas R. Dole, Michael V. Porter, Scott D. Madara, William A. Nagle, William M. McPoyle |
2010-10-26 |
| 7726703 |
Deformable pipe coupling having multiple radii of curvature |
Michael V. Porter, Craig Haney, Scott D. Madara, Douglas R. Dole |
2010-06-01 |
| 7722087 |
Coupling having angularly oriented cavity |
Douglas R. Dole, Michael V. Porter, Scott D. Madara, William A. Nagle, William M. McPoyle |
2010-05-25 |
| D616072 |
Rigid pipe coupling |
Vance W. Henry, Douglas R. Dole, Scott D. Madara, Ahmad Sith |
2010-05-18 |
| D614269 |
Rigid pipe coupling segment |
Vance W. Henry, Douglas R. Dole, Scott D. Madara, Ahmad Sith |
2010-04-20 |
| D613377 |
Ribbed pipe coupling segment |
Amit R. Shah, Douglas R. Dole, Scott D. Madara |
2010-04-06 |
| D612461 |
Rigid pipe coupling segment |
Vance W. Henry, Douglas R. Dole, Scott D. Madara, Ahmad Sith |
2010-03-23 |
| D612462 |
Ribbed pipe coupling |
Amit R. Shah, Douglas R. Dole, Scott D. Madara |
2010-03-23 |
| D612463 |
Ribbed pipe coupling segment |
Amit R. Shah, Douglas R. Dole, Scott D. Madara |
2010-03-23 |
| D608865 |
Flexible pipe coupling |
Vance W. Henry, Douglas R. Dole, Scott D. Madara, Ahmad Sith |
2010-01-26 |
| D608867 |
Flexible pipe coupling segment |
Vance W. Henry, Douglas R. Dole, Scott D. Madara, Ahmad Sith |
2010-01-26 |
| D608866 |
Flexible pipe coupling segment |
Vance W. Henry, Douglas R. Dole, Scott D. Madara, Ahmad Sith |
2010-01-26 |
| D607548 |
Flexible ribbed pipe coupling |
Amit R. Shah, Douglas R. Dole, Scott D. Madara |
2010-01-05 |
| D607549 |
Flexible ribbed pipe coupling segment |
Amit R. Shah, Douglas R. Dole, Scott D. Madara |
2010-01-05 |
| D607550 |
Flexible ribbed pipe coupling segment |
Amit R. Shah, Douglas R. Dole, Scott D. Madara |
2010-01-05 |
| D605735 |
Ribbed pipe coupling |
Amit R. Shah, Douglas R. Dole, Scott D. Madara |
2009-12-08 |
| D605734 |
Rigid pipe coupling |
Vance W. Henry, Douglas R. Dole, Scott D. Madara, Ahmad Sith |
2009-12-08 |
| D602127 |
Flexible ribbed pipe coupling |
Amit R. Shah, Douglas R. Dole, Scott D. Madara |
2009-10-13 |
| D600784 |
Flexible pipe coupling |
Vance W. Henry, Douglas R. Dole, Scott D. Madara, Ahmad Sith |
2009-09-22 |
| D595813 |
Pipe coupling segment |
Douglas R. Dole, William A. Nagle, Scott D. Madara |
2009-07-07 |
| D595814 |
Pipe coupling segment |
Douglas R. Dole, William A. Nagle, Scott D. Madara |
2009-07-07 |
| D595815 |
Pipe coupling |
Douglas R. Dole, William A. Nagle, Scott D. Madara |
2009-07-07 |