Built up rotor assemblies for vacuum pumps
Buoyant pump assembly
Bushing and lantern ring for rotary fluid pumping equipment
By-pass clearance unloader
By-pass valve mechanism
Bypass passage for fluid pump
Bypass valve control
Bypass valve for a flow through gas lift plunger
Calculation of downhole pump fillage and control of pump...
Calibrated fluid injection system
Cam action compensator
Cam and crank engagement for a reversible, variable...
Canister pump assembly
Canned motor pump for use in the high temperature
Canned motor pumps pressurized recirculation system
Capacitive liquid level sensor
Capacity and volume ratio control valve assembly
Capacity control mechanism for scroll-type compressor
Capacity control of a compressor
Capacity control of compressors