Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8113544 | Rotating fluid union | Ryan Gustafson, Jaime Pedraza | 2012-02-14 |
| 7350765 | Double-stop floating ball valve | John R. LeBlanc, Ryan Gustafson | 2008-04-01 |
| 5090480 | Underreamer with simultaneously expandable cutter blades and method | Fred J. Pittard | 1992-02-25 |
| 5060738 | Three-blade underreamer | Fred J. Pittard | 1991-10-29 |
| 5036921 | Underreamer with sequentially expandable cutter blades | Fred J. Pittard | 1991-08-06 |