Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10443347 | Downhole completion tool | Kevin Scott Kippola, Todd Ulrich Chretien, William John Darnell | 2019-10-15 |
| 10107074 | Downhole completion tool | Kevin Scott Kippola, Todd Ulrich Chretien, William John Darnell | 2018-10-23 |
| 9664008 | Downhole completion tool | Kevin Scott Kippola, Todd Ulrich Chretien, William John Darnell | 2017-05-30 |
| 8567509 | Downhole tool | Kevin Scott Kippola, Todd Ulrich Chretien, William John Darnell, Rodney Wayne Long | 2013-10-29 |
| 8474542 | Selective and non-selective lock mandrel assembly having upward biased inner sleeve | Steven Carl Guy | 2013-07-02 |
| 8171998 | System for controlling hydrocarbon bearing zones using a selectively openable and closable downhole tool | William John Darnell, Charles David Wintill, Rodney Wayne Long, Todd Ulrich Chretien, William Ryle Darnell | 2012-05-08 |