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De-watering pump

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

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Dense phase powder pump with single ended flow and purge

Pumps – One fluid pumped by contact or entrainment with another – Diverse pumps
Reexamination Certificate

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Device for creating and exploiting a pressure difference and the

Pumps – One fluid pumped by contact or entrainment with another – Jet pump with motive fluid generating pump
Patent

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Device for elevating liquids with a plurality of intermediate co

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

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Device for injecting a liquid in a compressed gas

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

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Diffusion pump

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

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Diffusion pump

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

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Diffusion pump

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

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Diffusion pump

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

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Diffusion pump for leak detector

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

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Diffusion pump with two inlets and two stage pumping capability

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

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Diffusion pumps

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

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Diffusion pumps having an integrated reservoir for the working f

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

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Double buffer vacuum system

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

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Double-acting rod pump

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

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Down hole pump

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

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Down hole pump and method of deep well pumping

Pumps – One fluid pumped by contact or entrainment with another – Diverse pumps
Patent

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Downhole hydraulic pump apparatus having a "free" jet pump and s

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

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Downhole hydraulically actuated pump with jet boost

Pumps – One fluid pumped by contact or entrainment with another – Diverse pumps
Patent

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Downhole jet pump with multiple nozzles axially aligned with ven

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

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