LandOfFree - US Patents - Listing for Pumps,One fluid pumped by contact or entrainment with another

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Water pumping apparatus utilizing produced compressed air

Pumps – One fluid pumped by contact or entrainment with another – Liquid pumped by supplying or exhausting gaseous motive...

Patent

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Water pumping system including a suction ram

Pumps – One fluid pumped by contact or entrainment with another – Liquid piston

Patent

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Water pumping system using solar energy

Pumps – One fluid pumped by contact or entrainment with another – Liquid pumped by supplying or exhausting gaseous motive...

Patent

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Water ring rotary air compressor

Pumps – One fluid pumped by contact or entrainment with another – Contact or entrainment within rotary impeller

Patent

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Water ring type pump with sidewall water reflux passage

Pumps – One fluid pumped by contact or entrainment with another – Contact or entrainment within rotary impeller

Patent

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Water ring vacuum pump

Pumps – One fluid pumped by contact or entrainment with another – Contact or entrainment within rotary impeller

Patent

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Water ring vacuum pump having adjustable part plates and a hollo

Pumps – One fluid pumped by contact or entrainment with another – Contact or entrainment within rotary impeller

Patent

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Water supply system, energy conversion system and their combinat

Pumps – One fluid pumped by contact or entrainment with another – Liquid pumped by supplying or exhausting gaseous motive...

Patent

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Wave actuated gas compression apparatus

Pumps – One fluid pumped by contact or entrainment with another – Liquid piston

Patent

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Wave-powered pneumatic system for power generation

Pumps – One fluid pumped by contact or entrainment with another – Liquid piston

Patent

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Wind-solar lift pump

Pumps – One fluid pumped by contact or entrainment with another – Jet

Patent

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Zero-clearance ultra-high-pressure gas compressor

Pumps – One fluid pumped by contact or entrainment with another – Liquid piston

Reexamination Certificate

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