Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9470414 | Method for delivering a tool to the interior of a heat exchange tube | Lyman J. Petrosky, Phillip J. Hawkins | 2016-10-18 |
| 9279582 | Method and apparatus for delivering a tool to the interior of a heat exchange tube | Lyman J. Petrosky, Phillip J. Hawkins | 2016-03-08 |
| 5483033 | Apparatus and method for sequentially registering tool modules for a welding operation of a tube | William E. Pirl | 1996-01-09 |
| 4845836 | Method for feeding a through-bolt through a bore in a stator core | John M. Butler, III | 1989-07-11 |