| 11052613 |
Top-loading straddle-mounted pipe fusion machine |
Jason A. Lawrence, James R. Perrault, David W. Porter, Bobby Lee Murray |
2021-07-06 |
| 11034039 |
Facer for end fusion of polyolefin pipes |
Arthur H. McElroy, II, Paul John Donaldson, Brian M. O'Connell |
2021-06-15 |
| 10682780 |
Facer for end fusion of polyolefin pipes |
Arthur H. McElroy, II, Jason A. Lawrence, Paul John Donaldson, Brian M. O'Connell, Seth P. Ahrens |
2020-06-16 |
| 10369751 |
Top-loading straddle-mounted pipe fusion machine |
Jason A. Lawrence, James R. Perrault, David W. Porter, Bobby Lee Murray |
2019-08-06 |
| 9638355 |
Seal girding a stick of pipe or a pipeline in the entry or exit ports of a pipe fusion chamber |
— |
2017-05-02 |
| 9393739 |
Rack type pipe feeder for a pipe fusion machine |
James R. Perrault, David W. Porter, Brandon William Jackman, William Barton Draeger, Bobby Lee Murray +1 more |
2016-07-19 |
| 9242410 |
Top-loading straddle-mounted pipe fusion machine |
Jason A. Lawrence, James R. Perrault, David W. Porter, Bobby Lee Murray |
2016-01-26 |
| 8690517 |
Rack type pipe feeder for a pipe fusion machine |
James R. Perrault, David W. Porter, Brandon William Jackman, William Barton Draeger, Bobby Lee Murray +1 more |
2014-04-08 |
| 8474353 |
Manual dual end rotary driver of Z configuration |
— |
2013-07-02 |
| 6239412 |
Side wall fusion heater |
James R. Perrault |
2001-05-29 |