PAINT SPRAYER PUMP CARTRIDGE

Number of patents in Portfolio can not be more than 2000

United States of America Patent

SERIAL NO

15484703

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A fluid dispensing system includes a motor housing and a piston pump assembly connected to the motor housing. A motor is mounted within the motor housing. The piston pump assembly includes a pump housing, a cartridge having a first end that extends into a second end of the pump housing, a piston that extends into a first end of the pump housing and the first end of the cartridge, and a packing stack within the cartridge and adjacent an inner surface of the cartridge and through which the piston extends. The cartridge is configured to be removed from the pump housing, and removal of the cartridge removes the packing stack from within the pump housing while leaving the pump housing connected to the motor housing.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
GRACO MINNESOTA INC88TH 11TH AVENUE NE MINNEAPOLIS MN 55413

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Johnston, Justin G Rogers, US 11 13
Larsen, David M Albertville, US 15 27
Shultz, Mark D Fridley, US 17 37
Wrobel, Steve J Rogers, US 27 40

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