Air operated motor

Annular support for rolling bearings

Arrangement for flooding high speed vacuum pumps

Baffle configurations for molecular drag vacuum pumps

Bi-directional pump-turbine

Bladeless conical radial turbine and method

Bladeless impeller and impeller having internal heat transfer me

Bladeless pump

Bladeless pump and method of using same

Bulk material pump feeder

Centrifugal clinical blood pump

Centrifugal pump

Centrifugal pump with deaeration chamber

Cohesion type turbine

Combined cycle boundary layer turbine

Compound friction vacuum pump

Compound turbomolecular vacuum pump having two rotary shafts and

Compound vacuum pumps

Concrete pump and method of using same

Conical stacked-disk impeller for viscous liquids