Eccentric screw pump

Eccentric screw pump equipped with erosion-resistant rotor

Eccentric screw pump having conical sealing surfaces

Eccentric screw pump with expanded temperature range

Eccentric screw-type pump

Eccentric screw-type pump with spare stator

Eccentric single-rotor screw pump

Eccentric worm pump

Eccentric worm pump with annular wearing elements

Elastomeric stator for eccentric spiral pumps

Energized-fluid machine

Flexible drive shaft

Flexible shaft assembly for progressing cavity pump

Floating flow restrictors for fluid motors

Floating flow restrictors for fluid motors

Gerotor mechanism for a screw hydraulic machine

Hardfacing for progressing cavity pump rotors

Helical gear pump

Helical gear pump and method of manufacturing the same

Helical gear pump and stator with constant rubber wall thickness