Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10364640 | Packer setting during high flow rate | James A. Rochen, Shawn J. Treadaway, Tracy Martin | 2019-07-30 |
| 10280718 | Gravel pack apparatus having actuated valves | John P. Broussard, Ronald van Petegem | 2019-05-07 |
| 10082007 | Assembly for toe-to-heel gravel packing and reverse circulating excess slurry | John P. Broussard | 2018-09-25 |
| 9725989 | Sand control screen having improved reliability | Christian S. Mayer, Charles S. Yeh, David A. Howell, Pavlin B. Entchev, Eric R. Grueschow +6 more | 2017-08-08 |
| 9695675 | High-rate injection screen assembly with checkable ports | — | 2017-07-04 |
| 9677383 | Erosion ports for shunt tubes | John S. Sladic, Stephen McNamee, John P. Broussard, Floyd R. Simonds | 2017-06-13 |
| 9638013 | Apparatus and methods for well control | Charles S. Yeh, Tracy J. Moffett, John S. Sladic, Stephen McNamee | 2017-05-02 |
| 9523264 | Gravel pack crossover tool with low drag force | John P. Broussard, Patrick J. Zimmerman | 2016-12-20 |
| 9447661 | Gravel pack and sand disposal device | John P. Broussard, Patrick J. Zimmerman, Brian J. Ritchey, Ronald van Petegem | 2016-09-20 |
| 9441454 | Gravel pack apparatus having actuated valves | John P. Broussard, Ronald van Petegem | 2016-09-13 |
| 9428997 | Multi-zone bypass packer assembly for gravel packing boreholes | John P. Broussard | 2016-08-30 |
| 9260950 | One trip toe-to-heel gravel pack and liner cementing assembly | John P. Broussard, Ronald van Petegem, Alvaro Jose Arrazola | 2016-02-16 |
| 9163478 | Inwardly swelling seal | John P. Broussard, Patrick J. Zimmerman, Glen Robitaille | 2015-10-20 |
| 9097104 | Erosion resistant flow nozzle for downhole tool | Rodney S. Royer, Henry Joe Jordan, Jr., Jeffrey E. Kubiak | 2015-08-04 |
| 9085960 | Gravel pack bypass assembly | Ronald van Petegem, John P. Broussard, Patrick J. Zimmerman | 2015-07-21 |
| 9068435 | Gravel pack inner string adjustment device | John P. Broussard, Ronald van Petegem, Patrick J. Zimmerman, Brian J. Ritchey, Rockni Van Clief | 2015-06-30 |
| 9057251 | Gravel pack inner string hydraulic locating device | John P. Broussard, Ronald van Petegem, Patrick J. Zimmerman, Brian J. Ritchey, Rockni Van Clief | 2015-06-16 |
| 9027642 | Dual-purpose steam injection and production tool | John S. Sladic, Brian M. Sternaman | 2015-05-12 |
| 8695709 | Self-orienting crossover tool | Patrick J. Zimmerman, John P. Broussard | 2014-04-15 |
| 6868586 | Fastening means for a bungie cord | — | 2005-03-22 |
| 6256491 | Voice security between a composite channel telephone communications link and a telephone | Douglas E. Ehlers, James R. Holthaus | 2001-07-03 |
| 5787180 | Method of connecting a scrambler or encryption device to a hand-held portable cellular telephone | James R. Holthaus, Bradley A. Riensche | 1998-07-28 |