Air pump with centrifugal filter

Combination air pump and air filter

Filter attachment for gear pump

Gear pump for use in an electrically-operated sealed compressor

Global worm machine with seizure-preventing cells

Grooved pump chamber walls for flushing fiber deposits

High performance oil pump

Hydraulic conveying device

Liquid cooled compressor with improved liquid separation

Pump for use in a paint application apparatus

Pumping system comprising a high-capacity positive-displacement

Refrigerating cycle or compressor having foreign matter collecto

Refrigerating cycle or compressor having foreign matter...

Refrigerating cycle or compressor having foreign matter...

Refrigerating cycle or compressor having foreign matter...

Rotary helical screw-type compressor having an intake filter...

Rotary pump

Rotary vane pump with removable particulate collection chamber

Rotary vane vacuum pump with filter means for inlet

Screw compressor with slide valve movement preventing structure