Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9377149 | Systems and apparatus for inhibiting a compressed pipe liner from retreating into a host pipe | — | 2016-06-28 |
| 9322502 | Device and system for pulling a compressed pipe liner into a host pipe | — | 2016-04-26 |
| 8066499 | Dual gland air inversion and steam cure of cured in place liners | Franklin Driver, Steve Hirtz, Richard C. Polivka, Neil T. Birchler, Kyle Costa | 2011-11-29 |
| 8038913 | Installation of cured in place liners with dual gland air inversion and steam cure apparatus | Franklin Driver, Steve Hirtz, Richard C. Polivka, Neil T. Birchler, Kyle Costa | 2011-10-18 |