| 9964245 |
Swivel joint with uniform ball bearing requirements |
Brian C. Witkowski |
2018-05-08 |
| 8870233 |
Swivel joint with uniform ball bearing requirements |
Brian C. Witkowski |
2014-10-28 |
| D706397 |
Portion of fluid end |
John E. Hawes |
2014-06-03 |
| 8695627 |
Stand for pressure relief valve |
Vladimir Kugelev |
2014-04-15 |
| D687125 |
Fluid end |
John E. Hawes |
2013-07-30 |
| 8402880 |
Packing nut lock and access bore cover locking assembly |
Pankaj H. Patel |
2013-03-26 |
| 8376723 |
Connecting rod without wrist pin |
Vladimir Kugelev |
2013-02-19 |
| 8162631 |
Floating pinion bearing for a reciprocating pump |
Pankaj H. Patel |
2012-04-24 |
| D641382 |
Stay rod for reciprocating pump |
John E. Hawes |
2011-07-12 |
| 7823265 |
Flowline torque arm assembly |
Jonathan Daniel Curlett |
2010-11-02 |
| 7549681 |
Flowline clamp connector |
— |
2009-06-23 |
| 7451959 |
Plug valve having a seal boss |
— |
2008-11-18 |
| 7404704 |
Manifold assembly for reciprocating pump |
Vladimir Kugelev |
2008-07-29 |
| 7364412 |
System, method, and apparatus for valve stop assembly in a reciprocating pump |
Vladimir Kugelev |
2008-04-29 |
| 7219594 |
Coolant system for piston and liner of reciprocating pumps |
Vladimir Kugelev |
2007-05-22 |
| 7204525 |
Flowline clamp connector |
— |
2007-04-17 |
| 7096718 |
Pressure testing apparatus |
J. Allen Sutton |
2006-08-29 |
| 6978799 |
Emergency pressure relief valve with enhanced reset |
Vladimir Kugelev |
2005-12-27 |
| 6945569 |
Enhanced durability hammer union |
Juan M. Diaz |
2005-09-20 |
| 6481457 |
Safety restraint assembly for high pressure flow line |
Glenn P. Hayes, Timothy Andrew Gauss |
2002-11-19 |
| 6298882 |
Explosion resistant blanket for flow line |
Glenn P. Hayes |
2001-10-09 |
| 6209561 |
Emergency pressure relief valve |
Vladimir Kugelev |
2001-04-03 |
| 5823093 |
Liner assembly with a fluid end cylinder |
Vladimir Kugelev |
1998-10-20 |
| 5689862 |
Safety clamp |
Glenn P. Hayes |
1997-11-25 |
| 5246355 |
Well service pumping assembly |
Jimmie L. Yeary |
1993-09-21 |