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2022
|
P/S
|
Oilfield drilling mud and slush pumps and replacement and structural parts therefor, namely, valv... |
|
2021
|
Invention
|
Enclosed torque controlled electric actuator and method.
The present disclosure provides an actu... |
|
|
Invention
|
Self-contained hydraulically controlled relief valve. The present disclosure provides a hydraulic... |
|
|
Invention
|
Rotary control device with self-contained hydraulic reservoir. An improved rotating control devic... |
|
2019
|
P/S
|
Vibratory screen separators |
|
2018
|
Invention
|
Pipe union assembly. The present invention provides a pipe union that uses mechanical advantage f... |
|
|
Invention
|
Reduced torque lock assembly. A valve cover lock assembly for a pump having a fluid end module ca... |
|
2017
|
Invention
|
Cylinder liner retainer system with torque multiplier and method. The present invention provides ... |
|
|
Invention
|
Epicyclic washpipe swivel cartridge and method. The present invention provides an assembly, syste... |
|
2016
|
Invention
|
Quick change cylindrical liner retainer assembly. The present invention provides a quick change s... |
|
|
Invention
|
Quick release piston rod assembly. The present invention provides an assembly, system, and method... |
|
|
Invention
|
Reduced torque valve cover lock assembly. A valve cover lock assembly for a pump having a fluid e... |
|
2015
|
P/S
|
Parts for oilfield circulating pumps, namely, valve covers designed specifically for use with cir... |
|
|
P/S
|
Parts for circulating pumps; parts for oilfield mud pumps |
|
2014
|
P/S
|
FLOATING PUMP ROD SEAL SYSTEM COMPRISED PRIMARILY OF NON-METAL SEALS FOR USE WITH OILFIELD PUMPS |
|
2012
|
P/S
|
Oilfield drilling equipment and parts, namely, mud or slush pumps and all replacement and expenda... |
|
|
P/S
|
Oilfield drilling [ equipment and parts, namely, ] mud or slush pumps [ and all replacement and e... |
|
2011
|
Invention
|
Rotating head. A rotating head having a bearing assembly removably seated in a bowl housing such ... |
