Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9746120 | Apparatus for closing and sealing the open end of a pipe | Tom Blair, Dave Uzonyi | 2017-08-29 |
| 9664326 | Apparatus and method for sealing a pipe including internal and external gripping means | Glenn Carson | 2017-05-30 |
| 9644448 | Apparatus and method for isolating a section of a pipe riser bore in the course of riser renewal | Graham T. Brown, Tom Blair | 2017-05-09 |