Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11713640 | Spiral backup ring containment for packer assemblies | Muhammad Arra'uf Bin Abdul Shukor | 2023-08-01 |
| 6691776 | Downhole tool retention apparatus | John W. Tokar | 2004-02-17 |
| 6578638 | Drillable inflatable packer & methods of use | David Ward | 2003-06-17 |
| 6554076 | Hydraulically activated selective circulating/reverse circulating packer assembly | Chris Cuffe, Mike Betik, Mike Dion, Ken Whanger | 2003-04-29 |