The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 05, 1988

Filed:

Apr. 01, 1987
Applicant:
Inventor:

Robert Rasmussen, Buffalo, MN (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417518 ; 417469 ;
Abstract

A compact sleeve pump is provided that is particularly adaptable to fluid dispensing systems having multiple pump groupings. The sleeve pump includes a generally cylindrical valving spool and generally cylindrical dispensing piston, shiftably received within opposite ends of a generally tubular pump sleeve. Sealing members shiftably carried between the valving spool and pump sleeve provide, in conjunction with the selective shifting of the valving spool within the pump sleeve, for the inflow and expulsion of fluid from the pump.


Find Patent Forward Citations

Rasmussen, Robert. (1988). Sleeve pump (U.S. Patent No. 4755113). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4755113

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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