Two-piece foam piston pump

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 10588466
SERIAL NO

16059612

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Abstract

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A piston pump for dispensing fluid from a reservoir, an improved vacuum relief arrangement in which a passageway for flow of air from the atmosphere into the reservoir is provided at least in part through a piston-forming element of the piston pump.

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Patent Owner(s)

Patent OwnerAddress
OP-HYGIENE IP GMBHHERRENMATTWEG 1 NIEDERBIPP 4704

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jones, Andrew St. Anns, CA 248 6815
Ophardt, Heiner Arisdorf, CH 251 5134
Shi, Zhenchun Hamilton, CA 22 61

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