Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338736 | Actuator, method, and system | — | 2025-06-24 |
| 12196054 | Seal backup and seal system | Larry Urban | 2025-01-14 |
| 9822608 | Opposed ramp assembly for subterranean tool with load bearing lug and anti-jam feature | — | 2017-11-21 |
| RE46137 | Pressure actuated ported sub for subterranean cement completions | Mailand C. Jason, Justin Kellner, Charles Johnson, Charles T. Kirkpatrick | 2016-09-06 |
| 9267357 | Multi-component diffuser assembly | Hai Hoang Nguyen, Jeremy J. Guillory, Donald P. Lauderdale, Steve Rosenblatt | 2016-02-23 |
| 9234397 | Tapered dog configuration to share stress in a housing of a subterranean tool | Peter J. Fay | 2016-01-12 |
| 8876083 | Valve and method of supporting a seal of a valve | Steven S. Black | 2014-11-04 |
| 8651182 | Dog with skirt to transfer housing loads in a subterranean tool | Peter J. Fay | 2014-02-18 |
| 8607860 | Flexible collet anchor assembly with compressive load transfer feature | Douglas J. Murray | 2013-12-17 |
| 8596350 | Lock mandrel load distribution apparatus | Peter J. Fay | 2013-12-03 |
| 8555960 | Pressure actuated ported sub for subterranean cement completions | Jason C. Mailand, Justin Kellner, Charles C. Jonhson, Charles T. Kirkpatrick | 2013-10-15 |
| 8267384 | Annular seal | Rafeal Ramirez | 2012-09-18 |
| 8210267 | Downhole pressure chamber and method of making same | — | 2012-07-03 |
| 7913770 | Controlled pressure equalization of atmospheric chambers | Robert Schramm | 2011-03-29 |
| 7644772 | Ball seat having segmented arcuate ball support member | Charles Johnson, James G. King, David B. Ruddock, Matthew D. Solfronk, Justin Kellner | 2010-01-12 |
| 7628210 | Ball seat having ball support member | Charles Johnson, James G. King, David B. Ruddock | 2009-12-08 |