Apparatus for pumping a viscous mass
Buoyant pump assembly
Float operated pneumatic pump to separate hydrocarbon from water
Floatation pump device
Floating aerator having means to vary the length of the draft pi
Floating pump assembly
Floating pumping device
Gas driven external combustion heat engine pump having the outle
Pond water destratifier
Portable water pump for use with swimming pools
Pressurized gas driven liquid pump having the outlet pipe connec
Pump mechanism powered by gaseous expansion
Recovery pump for recovering floating oil
Water circulation systems for ponds, lakes, and other bodies...
Wheeled floatable conduit apparatus