Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411067 | Torque and combined load fixture and test method | Matthew Sanders | 2025-09-09 |
| 12235245 | Torque and combined load fixture and test method | Matthew Sanders | 2025-02-25 |
| 11275003 | Large sample testing device, method, and system | — | 2022-03-15 |
| 10551287 | Large sample testing device, method, and system | — | 2020-02-04 |
| 8534306 | Subsea hot tap systems and methods | Ray R. Ayers, Michael Dupre, Michael L. Eckstein | 2013-09-17 |
| 8403059 | External jet pump for dual gradient drilling | William James Hughes | 2013-03-26 |
| 7353839 | High temperature completion plug | Charles D. Calkins | 2008-04-08 |
| 7281543 | Apparatus, systems and methods for plugging a high temperature pipe | Charles D. Calkins, Eric N. Freeman, Tony R. Garrison, Gary Goins, Phillip K. Morrison +3 more | 2007-10-16 |
| 6920930 | Drop ball catcher apparatus | Jerry P. Allamon | 2005-07-26 |
| 6769490 | Downhole surge reduction method and apparatus | Jerry P. Allamon, Andrew M. MacFarlane | 2004-08-03 |
| 6695066 | Surge pressure reduction apparatus with volume compensation sub and method for use | Jerry P. Allamon | 2004-02-24 |
| 6679336 | Multi-purpose float equipment and method | Jeffrey D. Musselwhite, Jeffry C. Ehlinger, Jerry P. Allamon | 2004-01-20 |
| 6520257 | Method and apparatus for surge reduction | Jerry P. Allamon | 2003-02-18 |
| 6513590 | System for running tubular members | Jerry P. Allamon, Kenneth Waggener | 2003-02-04 |
| 6484804 | Pumpdown valve plug assembly for liner cementing system | Jerry P. Allamon | 2002-11-26 |
| 6471439 | Slips for drill pipes or other tubular members | Jerry P. Allamon | 2002-10-29 |
| 6401824 | Well completion convertible float shoe/collar | Jeffrey D. Musselwhite, Jeffry C. Ehlinger, Jerry P. Allamon | 2002-06-11 |
| 6370721 | Variable speed pig for pipeline applications | Carl R. Torres, Jr., Paul MANZAK | 2002-04-16 |
| 6311775 | Pumpdown valve plug assembly for liner cementing system | Jerry P. Allamon | 2001-11-06 |
| 6264395 | Slips for drill pipe or other tubular goods | Jerry P. Allamon | 2001-07-24 |
| 5960881 | Downhole surge pressure reduction system and method of use | Jerry P. Allamon, Carroll Kennedy Burgess, Jr., Kurt D. Vandervort | 1999-10-05 |
| 5398846 | Assembly for simultaneous dispensing of multiple fluids | Robert E. Corba, Allen D. Miller, D. James Musiel, Frederick H. Martin, Stephanie Bohrer | 1995-03-21 |
| 5127478 | Casing suspension system | — | 1992-07-07 |
| RE33811 | Accumulating conveyor | — | 1992-02-04 |
| 5066053 | Clamp with pipe branch | — | 1991-11-19 |