Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9334736 | Rotary fluid machine operable as a motor or a pump | Daryl Wheeler, Justin Wade Erwin | 2016-05-10 |
| 8529222 | Surface pump assembly having a thrust chamber with a telescoping shaft | Jason Neal Whaley | 2013-09-10 |
| 5310001 | Method of retrieving a downhole tool utilizing non-rotational workstrings | Kenneth D. Caskey | 1994-05-10 |
| 5224547 | Retrieving tool for downhole packers utilizing non-rotational workstrings | Kenneth D. Caskey | 1993-07-06 |
| 5044434 | Long stroke packer | Kenneth D. Caskey, Donald W. Winslow | 1991-09-03 |
| 4989672 | Packer locking apparatus | Kenneth D. Caskey, Donald W. Winslow | 1991-02-05 |