Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371951 | Downhole component having a variable bending stiffness | Volker Peters, Sven Krueger, Andreas Peter, Christian Fulda | 2025-07-29 |
| 10190390 | Pressure actuated ported sub for subterranean cement completions | Jason C. Mailand, Justin Kellner, James S. Sanchez, Charles Johnson, Robert W. Putch | 2019-01-29 |
| RE46793 | Wiper plug elements and methods of stimulating a wellbore environment | Justin Kellner, Charles Johnson | 2018-04-17 |
| 9410411 | Method for inducing and further propagating formation fractures | Edward J. O'Malley, James G. King | 2016-08-09 |
| 9359865 | Pressure actuated ported sub for subterranean cement completions | Jason C. Mailand, Justin Kellner, James S. Sanchez, Charles Johnson, Robert W. Putch | 2016-06-07 |
| 9279311 | System, assembly and method for port control | Justin Kellner, Matthew D. Solfronk, John Travis Harris | 2016-03-08 |
| 9016388 | Wiper plug elements and methods of stimulating a wellbore environment | Justin Kellner, Charles Johnson | 2015-04-28 |
| 9004185 | Downhole plug drop tool | Clint Mickey, David Dolyniuk | 2015-04-14 |
| 8800661 | Dual inline sliding sleeve valve | James G. King, Jack D. Farmer | 2014-08-12 |
| 8037942 | Resettable antiextrusion backup system and method | Justin P. Vinson | 2011-10-18 |
| 7891433 | Resettable antiextrusion backup system and method | Justin P. Vinson | 2011-02-22 |