Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305470 | Plug with shuttle valve | — | 2025-05-20 |
| 12233591 | Apparatus for slip and wedge systems | Chad H. Picciotti | 2025-02-25 |
| 12163393 | Multi-function mandrel system | Shane Allen Davison | 2024-12-10 |
| 11946323 | Quick connection hydraulic fracturing plug | Shane Allen Davison | 2024-04-02 |
| 11613740 | Plug for oil field service work and method of production | Shane Allen Davison | 2023-03-28 |
| 11584678 | Methods of production of oil and gas service plugs | Shane Allen Davison | 2023-02-21 |
| 5984007 | Chip resistant buttons for downhole tools having slip elements | Yusheng Yuan, Kevin T. Berscheidt | 1999-11-16 |
| 5839515 | Slip retaining system for downhole tools | Yusheng Yuan, Kevin T. Berscheidt | 1998-11-24 |
| 5701959 | Downhole tool apparatus and method of limiting packer element extrusion | Donald F. Hushbeck, Yusheng Yuan | 1997-12-30 |