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Uni-directional flow microfluidic components

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor
Reexamination Certificate

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Uniform flow displacement pump

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

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Unit injector

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

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Unit utilizing current to control reciprocation for pushing...

Pumps – Expansible chamber type – Plural pumping chambers
Reexamination Certificate

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Unitary pump packing

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

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Universal air pump

Pumps – Expansible chamber type – Having separate noncyclic valve
Reexamination Certificate

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Universal plunger for oil well pumps

Pumps – Expansible chamber type – Valved piston
Patent

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Universal tube clamp assembly

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

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Unsynchronized phase operation of peristaltic pump rollers

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

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