Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404734 | Lock ring actuator for tubing hanger installation | Andrew Mitchell, Chris D. Bartlett, David Scantlebury, Rick Murphy, Gregory Norwood | 2025-09-02 |
| 11459843 | Tubing hanger space-out mechanism | Chris D. Bartlett, David Scantlebury, Rick Murphy, Andrew Mitchell, Gregory Norwood | 2022-10-04 |
| 11072984 | One trip lockdown sleeve and running tool | Rodrigo Albani Queiroz, Carlos Eduardo Martins Gaban, Sergio Almeida, Guilherme Pedro Eppinghaus Neto | 2021-07-27 |
| 9926751 | Enhanced ram-style riser tensioner | Steven M. Hafernik | 2018-03-27 |
| 9784052 | Enhanced ram-style riser tensioner cylinder | Steven M. Hafernik | 2017-10-10 |
| 9784064 | Methods and systems for operating a downhole tool | Dale Norman, Travis Potier, Colter Pesek, Jarryd Daniels | 2017-10-10 |
| 9682752 | Deflection absorbing tensioner frame | Steven M. Hafernik, Neil B. Prasad | 2017-06-20 |
| 9540890 | Methods and systems for tensioner connection | Neil B. Prasad, Steven M. Hafernik | 2017-01-10 |
| 9470049 | Hydro-pneumatic tensioner with fluid retention device | Steven M. Hafernik | 2016-10-18 |
| 9181761 | Riser tensioning system | Steven M. Hafernik | 2015-11-10 |
| 8540460 | System for supplemental tensioning for enhanced platform design and related methods | Joe Pallini, Steve Wong | 2013-09-24 |
| 8440034 | System, method, and apparatus for pre-tensioned pipe for load-sharing with composite cover | Joseph W. Pallini, Danny L. Havelka, Brian N. Munk | 2013-05-14 |
| 8333243 | Tensioner anti-rotation device | Joseph W. Pallini | 2012-12-18 |
| 8286714 | Riser tensioner with shrouded rods | Joseph W. Pallini, Jeffery McCarty, Charles E. Jennings | 2012-10-16 |
| 8245786 | System, method and apparatus for sleeved tensioner rod with annular adhesive retention | — | 2012-08-21 |
| 8141644 | System, method, and apparatus for a corrosion-resistant sleeve for riser tensioner cylinder rod | — | 2012-03-27 |
| 8101050 | System, method, and apparatus for continuous electroplating of elongated workpieces | Charles E. Jennings | 2012-01-24 |
| 7896998 | System, method, and apparatus for pre-tensioned pipe for load-sharing with composite cover | Joseph W. Pallini, Danny L. Havelka, Brian N. Munk | 2011-03-01 |
| 7823646 | Riser tensioner with lubricant reservoir | Jeffery McCarty | 2010-11-02 |
| 7819195 | External high pressure fluid reservoir for riser tensioner cylinder assembly | — | 2010-10-26 |
| 7708498 | Soft stop for maximum riser tensioner stroke | Kevin Edward O'Dell | 2010-05-04 |
| 7686085 | System, method, and apparatus for sleeved tensioner rod with annular adhesive retention | — | 2010-03-30 |
| 7067201 | Wear resistant coating for keel joint | Kim Phan, Eric J. Schultz | 2006-06-27 |
| 6902005 | Tubing annulus communication for vertical flow subsea well | Amin Radi, Michael E. Capesius, Robert K. Voss | 2005-06-07 |
| 6241500 | Double-throw air motor with reverse feature | — | 2001-06-05 |