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.
Patent No.:
Date of Patent:
May. 20, 1997
Filed:
Sep. 08, 1995
Applicant:
Inventors:
Kenneth Luedtke, Wilmette, IL (US);
Gary Pritchard, Rockwall, TX (US);
Craig J Shields, Chicago, IL (US);
Assignee:
Graymills Corporation, Chicago, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
4174779 ; 4174771 ;
Abstract
A peristaltic pump for transferring fluid through a flexible tube having a loop-shaped tube path is provided. The pump includes a motor that drives a pair of rollers in a circular path within a housing. The housing includes identical housing halves that together define an inlet port, an outlet port and the loop-shaped tube path through which the flexible tube is fed.