Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |