Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9726643 | Gate valve real time health monitoring system, apparatus, program code and related methods | Gangbing Song, Jiabiao Ruan, Dhaval Mistry, Mahesha Udipi | 2017-08-08 |
| 9395002 | Pressure equalizing valve | Travis Kyle McEvoy, Lloyd R. Cheatham, Edward York | 2016-07-19 |
| 9194509 | Power boost assist closed device for actuators | Keith Adams, Ben Calvin Holgate | 2015-11-24 |
| 8936098 | System and method for remediating a wellbore annulus | James J. Howell, Mahesha Udipi, Mark Viator, Eugene Borak | 2015-01-20 |
| 8672290 | Self aligning spherical backseat assembly for a valve | Chau Hoang, Theerapong Prachakvej | 2014-03-18 |
| 8662473 | Replaceable floating gate valve seat seal | — | 2014-03-04 |
| 8550167 | Remote operated vehicle interface with overtorque protection | Erin E. Zimmermann, Jr., Jose Menchaca | 2013-10-08 |
| 8403039 | Tool and method for providing access to a wellhead annulus | James J. Howell, Richard Porteous, Mariusz Karp | 2013-03-26 |
| 8403054 | Torque tripping mechanism for a valve | Mahesha Udipi | 2013-03-26 |
| 8191622 | Varying access points for tubing and casing monitoring and casing annulus remediation systems | James J. Howell, Richard Porteous, Noel A. Monjure, Frank C. Adamek | 2012-06-05 |
| 7975983 | System, method and apparatus for split gate valve with mechanically isolated seal surfaces | Robert Kevin Law, Anton J. Dach, Jr. | 2011-07-12 |
| 7686091 | Device to insert a flexible member into pressurized wellhead housing | Charles E. Jennings, Johnny E. Jurena | 2010-03-30 |
| 7069995 | Remedial system to flush contaminants from tubing string | Kwong-Onn Chan, David J. Sedgwick, John M. Murphy | 2006-07-04 |
| 6929244 | Interference-fit seal for gate valves | Robert Kevin Law, Anton J. Dach, Jr. | 2005-08-16 |
| 6289992 | Variable pressure pump through nozzle | Noel A. Monjure, Michael J. Scott, Kenneth L. Sikes, Frank Ditta, Tim Gus Wolcott +1 more | 2001-09-18 |
| 6186239 | Casing annulus remediation system | Noel A. Monjure, Kenneth L. Sikes, Francis R. Bobbie, Ralph Lewis Ropp | 2001-02-13 |
| 5927405 | Casing annulus remediation system | Noel A. Monjure, Kenneth L. Sikes, Francis R. Bobbie, R. Lewis Ropp | 1999-07-27 |
| 5291912 | Rupture disk for fire safe valves | — | 1994-03-08 |