| 11879582 |
Method and system for fluidly connecting fracturing manifold and fracturing tree |
Kevin Andrew ELGERT |
2024-01-23 |
| 11047486 |
Expanding gate valve |
Tianle Guo, Thomas Gust, Tony Lam, Andrew F. Masson |
2021-06-29 |
| 10731436 |
Ball injector for frac tree |
Gregory Wayne Allen, Dean Ashley Beblow, Glen Murray Eleniak, Jerry Wakeford |
2020-08-04 |
| 10161218 |
Ball injector for frac tree |
Gregory Wayne Allen, Dean Ashley Beblow, Glen Murray Eleniak, Jerry Wakeford |
2018-12-25 |
| 9243469 |
Blowout preventer and rams |
Tianle Guo, Tony Lam |
2016-01-26 |
| 8783643 |
Blowout preventer and rams |
Tianle Guo, Tony Lam |
2014-07-22 |
| 8602458 |
Wellhead pipe coupling |
Doyle W. Rodgers |
2013-12-10 |
| 8403057 |
Wellhead connection |
Doyle W. Rodgers |
2013-03-26 |
| 8066061 |
Metal seal for wellheads |
Tianle Guo, Heinrich Lang, Tony Lam, Kevin P. Schneider |
2011-11-29 |
| 7610956 |
Wellhead assembly for hydraulic pumping system |
Gregory Wayne Allen, Cuong Chi Vuong, Gregg Lacusta |
2009-11-03 |
| 7069987 |
Casing adapter tool for well servicing |
Nathan Kwasniewski, Bob McGuire, John Henry Whelan |
2006-07-04 |
| 6851478 |
Y-body Christmas tree for use with coil tubing |
Michael James Cornelssen, Tony Lam |
2005-02-08 |
| 6688386 |
Tubing hanger and adapter assembly |
Michael James Cornelssen |
2004-02-10 |
| 6637509 |
Wellhead stuffing box support assembly |
Daniel J. Riddell |
2003-10-28 |
| 6457530 |
Wellhead production pumping tree |
Tony Lam, Daniel J. Riddell |
2002-10-01 |
| 6260817 |
Hydraulic blowout preventer assembly for production wellhead |
Tony Lam |
2001-07-17 |
| 6176466 |
Composite pumping tree with integral shut-off valve |
Tony Lam |
2001-01-23 |
| 5921276 |
Piston-type check valve with diffuser |
Tony Lam |
1999-07-13 |
| 5765813 |
Wellhead production blowout preventer ram |
Tony Lam |
1998-06-16 |
| 5743332 |
Integral wellhead assembly for pumping wells |
Tony Lam |
1998-04-28 |