Positive Displacement Pump Including Detectable Composite Non-Metallic Components

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20140199162A1
SERIAL NO

13739252

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A positive displacement pump is disclosed which includes a case that defines a pump cavity. A shaft and rotor, which are detachably connected together, are also included wherein the rotor is disposed within the pump cavity and the shaft passes through an opening in the proximal end of the case. The distal end of the shaft, in addition to being connected to the rotor, is also coupled to a fastener that couples a cover plate over the distal end of the shaft and over at least part of the base portion of the rotor. The opening in the proximal side of the case through which the shaft passes also accommodates a seal assembly. Access to the seal assembly is easily made by removing the head from the case and removing the rotor from the shaft. The seal assembly can be changed or serviced without removal of the shaft.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
VIKING PUMP INC406 STATE STREET CEDAR FALLS IA 50613

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bohlen, Kelly J Shell Rock, US 2 1
Dutcher,, III John A Cedar Falls, US 3 3
Hall, John Howard Cedar Falls, US 4 1
Meessmann, Jeffrey Scott Cedar Falls, US 5 212
Ramsey, Mike Evansdale, US 3 15
Thompson, Joseph P Cedar Falls, US 4 6

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