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Method and apparatus for preventing pulsations

Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed
Patent

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Method and apparatus for protecting a pump mechanism from extran

Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed
Patent

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Method and apparatus for removing pressure peaks and damping hyd

Pumps – Expansible chamber type – Pumping member position controlled port
Patent

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Method and device for operating an electric peristaltic hose...

Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed
Reexamination Certificate

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Method and device for the production of beverages

Pumps – Expansible chamber type – Plural pumping chambers
Reexamination Certificate

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Method for producing a vacuum by a pumping-ejection system

Pumps – Expansible chamber type – Mechanically actuated distributor
Reexamination Certificate

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Method for producing pressure pulses in a mass of gas and a devi

Pumps – Expansible chamber type – Having separate noncyclic valve
Patent

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Method for supplying liquids by means of a pump combination comp

Pumps – Expansible chamber type – Plural pumping chambers
Patent

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Method for transport of manure and a device according to the met

Pumps – Expansible chamber type – Oscillating pumping member
Patent

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Method of operating a peristaltic pump

Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed
Reexamination Certificate

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Method of operation of a reciprocating positive-displacement...

Pumps – Expansible chamber type – Plural pumping chambers
Reexamination Certificate

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Method of plural zone pumping utilizing controlled individual pu

Pumps – Expansible chamber type – Selectively usable plural inlet or outlet distributors for...
Patent

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Micro dispensing positive displacement pump

Pumps – Expansible chamber type – Inlet and discharge distributors at opposite ends of tubular...
Patent

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Micro irrigation pump

Pumps – Expansible chamber type – Plural pumping chambers
Reexamination Certificate

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Micro irrigation pump

Pumps – Expansible chamber type – Plural pumping chambers
Reexamination Certificate

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Micromechanical non-reverse valve

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor
Patent

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Micropump

Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed
Reexamination Certificate

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Micropump for peristaltic pumping of a liquid medium

Pumps – Expansible chamber type – Distributor formed from integral portion of flexible wall...
Reexamination Certificate

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Micropump including ball check valve utilizing ceramic...

Pumps – Expansible chamber type – Electrically or magnetically actuated distributor
Reexamination Certificate

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Miniature infusion pump

Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed
Patent

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