Issued Patents All Time
Showing 25 most recent of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9752405 | Shear ram type blowout preventer | J. Carter Miller, Jr. | 2017-09-05 |
| 9593550 | Shear ram type blowout preventer | — | 2017-03-14 |
| 9341033 | Riser tensioner assembly | — | 2016-05-17 |
| 9255453 | Heavy duty riser connector assembly | — | 2016-02-09 |
| 8684701 | Pumping mud by electrohydrodynamic propulsion | — | 2014-04-01 |
| 8632318 | Pumping mud by electrohydrodynamic propulsion | — | 2014-01-21 |
| 8327934 | Acoustically measuring annulus probe depth | — | 2012-12-11 |
| 8322428 | Casing hanger nesting indicator | — | 2012-12-04 |
| 8286714 | Riser tensioner with shrouded rods | Fife B. Ellis, Joseph W. Pallini, Jeffery McCarty | 2012-10-16 |
| 8181931 | Mechanically operated hydraulic valve actuator | — | 2012-05-22 |
| 8171996 | Wellhead system having a tubular hanger securable to wellhead and method of operation | — | 2012-05-08 |
| 8136604 | Wireline run fracture isolation sleeve and plug and method of operating same | — | 2012-03-20 |
| 8101050 | System, method, and apparatus for continuous electroplating of elongated workpieces | Fife B. Ellis | 2012-01-24 |
| 7963336 | Preloaded riser coupling system | Thomas A. Fraser, John E. Nelson | 2011-06-21 |
| 7819378 | Floating plug gate valve | — | 2010-10-26 |
| 7762327 | Acoustically measuring annulus probe depth | — | 2010-07-27 |
| 7686091 | Device to insert a flexible member into pressurized wellhead housing | Johnny E. Jurena, David Daniel Comeaux | 2010-03-30 |
| 7686342 | Pipe connector and torque tool | Brian N. Munk | 2010-03-30 |
| 7614447 | System, method, and apparatus for energizable metal seals in well heads | — | 2009-11-10 |
| 7591491 | Clamp for an anodeless riser, and methods of constructing and utilizing same | Brian John Lizenby | 2009-09-22 |
| 7559366 | Flex-lock metal seal system for wellhead members | Rick C. Hunter, Anton J. Dach, Jr., Steven Ellis | 2009-07-14 |
| 7337848 | Preloaded riser coupling system | Thomas A. Fraser, John E. Nelson | 2008-03-04 |
| 7331395 | Riser make-up tool | Thomas A. Fraser | 2008-02-19 |
| 7121349 | Wellhead protector | — | 2006-10-17 |
| 7083653 | Implantable human kidney replacement unit | — | 2006-08-01 |