Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10801657 | Detachable system to shut off pressure flow in pipes | Jeffery W. Mainzer | 2020-10-13 |
| 10571038 | Breakaway coupling | Joseph P. Roth, Michael Andrew Crum, Krzysztof Wejdman, Narendar Venkatachalapathy | 2020-02-25 |
| 10527217 | Launch system for underground gas main stop-off station | Philip J. Fowles, Joseph Mandara, Jeff Mainzer | 2020-01-07 |