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:
Jul. 18, 1989
Filed:
May. 27, 1988
Applicant:
Inventors:
Vernon Quarve, Minneapolis, MN (US);
Dennis McCormick, Mendota Heights, MN (US);
Robert A Kimber, Minneapolis, MN (US);
Assignee:
Graco Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
7386177 ; 73253 ;
Abstract
A liquid flow meter of the type having a positive displacement rotatable member responsive to liquid flow, with a permanent magnet affixed to the rotatable member. A magnetically-operable reed switch is located proximate the reed switch, but outside the liquid flow housing, and battery-operated circuits accumulate counts of reed switch closures, and display the counts in units representative of liquid flow volumes.