Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9856710 | Tube arrangement to enhance sealing between tubular members | Baozhi Zhu, Jeffrey Allen Raynal | 2018-01-02 |
| 9376881 | High-capacity single-trip lockdown bushing and a method to operate the same | Carl F. Boehm, Jr., Daniel Ralph Barnhart | 2016-06-28 |
| 9175537 | Semi-rigid lockdown device | David L. Ford, Michael Benjamin Snyder | 2015-11-03 |
| 9169711 | Slotted metal seal | Jeffrey Allen Raynal, Philip John Potter, Daniel Caleb Benson, David L. Ford | 2015-10-27 |
| 9115561 | Load enhanced locking arrangement | Daniel Ralph Barnhart, David L. Ford | 2015-08-25 |
| 9074448 | Pin-actuated lock ring arrangement | David L. Ford | 2015-07-07 |
| 9062511 | Soft skin metal seal and technique of manufacture | Stanley Drozdowski | 2015-06-23 |
| 9057231 | Energizing ring divot back-out lock | Daniel Ralph Barnhart, Baozhi Zhu, Jeffrey Allen Raynal | 2015-06-16 |
| 8997883 | Annulus seal with stepped energizing ring | Benjamin Michael Snyder | 2015-04-07 |
| 8955604 | Receptacle sub | — | 2015-02-17 |
| 8950785 | Broach style anti rotation device for connectors | Jeffrey Allen Raynal, Thomas Lowell Steen, David L. Ford, Benjamin Michael Snyder, Stephen David Peters +2 more | 2015-02-10 |
| 8950752 | Wicker-type face seal and wellhead system incorporating same | Armando Faz, Stephen K. Ellis | 2015-02-10 |
| 8813837 | Wellhead system having resilient device to actuate a load member and enable an over-pull test of the load member | Daniel W. Fish, Sean Thomas | 2014-08-26 |
| 8695700 | Seal with enhanced nose ring | Carl F. Boehm, Jr. | 2014-04-15 |
| 8689890 | Running tool with feedback mechanism | Chetan Sharadchandra Tulapurkar, Tariq Ansari, Shripad Hegde, Mahesh Suhas Bhat | 2014-04-08 |
| 8689891 | Ball and dart launcher with parallel axis release | Marc Minassian, James Christopher Clingman | 2014-04-08 |
| 8662185 | Active casing hanger hook mechanism | — | 2014-03-04 |
| 8636072 | Wellhead assembly having seal assembly with axial restraint | Daniel W. Fish | 2014-01-28 |
| 8517089 | Casing hanger profile for multiple seal landing positions | Gary L. Galle, Ryan Herbel | 2013-08-27 |
| 8500127 | Bi-directional metal-to-metal seal | — | 2013-08-06 |
| 8413730 | Wellhead assembly with telescoping casing hanger | Ryan Herbel, John E. Nelson, Armando Faz, Detrick Garner | 2013-04-09 |
| 8408309 | Running tool | Guilherme Eppinghaus | 2013-04-02 |
| 8403056 | Drill pipe running tool | Guilherme Eppinghaus | 2013-03-26 |
| 8327945 | Remotely operated drill pipe valve | Gregory M. Dunn | 2012-12-11 |
| 8291987 | High capacity running tool and method of setting a packoff seal | — | 2012-10-23 |