Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9206661 | Universal frac sleeve | — | 2015-12-08 |
| 9187969 | Safety device for retrieving component within wellhead | Randall Dean Harkins, Thomas E. Taylor | 2015-11-17 |
| 9133672 | Back pressure valve | Dennis P. Nguyen, Thomas E. Taylor | 2015-09-15 |
| 9133677 | Wellhead system with gasket seal | David Cain, William F. Puccio, Shian J. Chou, Vijay A. Cheruvu, Clint Trimble | 2015-09-15 |
| 9115562 | Ball launcher | Michael Levert, Jr., Kyle Sommerfeld | 2015-08-25 |
| 9068450 | Adjustable fracturing system | — | 2015-06-30 |
| 9045960 | Adjustable mudline tubing hanger suspension system | Delbert Edwin Vanderford, Max Van Adrichem | 2015-06-02 |
| 8978763 | Adjustable fracturing system | — | 2015-03-17 |
| 8960307 | Wellhead system with gasket seal | David Cain, William F. Puccio, Shian J. Chou, Vijay A. Cheruvu, Clint Trimble | 2015-02-24 |
| 8944159 | Horizontal fracturing tree | Stefan Marek Radwanski | 2015-02-03 |
| 8936075 | Universal frac sleeve | — | 2015-01-20 |
| 8851182 | Wellhead hanger shoulder | Dennis P. Nguyen, Haw Keat Lim | 2014-10-07 |
| 8800646 | Safety device for retrieving component within wellhead | Randall Dean Harkins, Thomas E. Taylor | 2014-08-12 |
| 8794306 | Integrated wellhead assembly | Sheldon Cote | 2014-08-05 |
| 8695693 | Wellhead component coupling system and method | Dennis P. Nguyen | 2014-04-15 |
| 8696039 | Connection methods and systems | Dennis P. Nguyen, Joseph R. Wilhelmi, Terry L. Shinn | 2014-04-15 |
| 8616289 | Back pressure valve | Dennis P. Nguyen, Thomas E. Taylor | 2013-12-31 |
| 8544535 | Integrated wellhead assembly | Sheldon Cote | 2013-10-01 |
| 8328242 | Connection methods and systems | Dennis P. Nguyen, Joseph R. Wilhelmi, Terry L. Shinn | 2012-12-11 |