Controller for oil wells using a heated probe sensor
Controlling vacuum level with a two-level vacuum system...
Converter for converting mechanical energy into hydraulic...
Convertible engine and air compressor apparatus adapted to...
Convertible floor and window fan
Convertible floor and window fan
Convertible floor fan
Convertible rotary seal for progressing cavity pump drivehead
Convex compressor casing
Conveying device for liquid and gaseous media, such as...
Conveying device with peristaltic movement
Conveyor machine for suspensions and viscous materials...
Coolant pump for automotive use
Coolant pump with axial output
Coolant system for piston and liner of reciprocating pumps
Cooled guide blade for a gas turbine
Cooled screw-type vacuum pump
Cooling air circuit and plate valve improvements for an...
Cooling arrangement for a portable air compressor
Cooling arrangement for motor-fan unit