Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8083975 | Exhaust and/or condensate port for cured in place liners and installation methods and apparatus | Paul L. Driver, Joseph M. Coyne, Richard P. Baxter | 2011-12-27 |
| 8066499 | Dual gland air inversion and steam cure of cured in place liners | Steve Hirtz, Richard C. Polivka, James H. Blasczyk, Neil T. Birchler, Kyle Costa | 2011-11-29 |
| 8038913 | Installation of cured in place liners with dual gland air inversion and steam cure apparatus | Steve Hirtz, Richard C. Polivka, James H. Blasczyk, Neil T. Birchler, Kyle Costa | 2011-10-18 |
| 7866968 | Reusable inversion sleeve assembly for inversion of cured in place liners | Neil T. Birchler, Kyle Costa, Richard C. Polivka, Weiping Wang | 2011-01-11 |