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:
Dec. 18, 1990
Filed:
Jun. 28, 1989
Applicant:
Inventors:
Robert T Chinnock, Victoria, MN (US);
Jeffrey J McKenzie, Watertown, MN (US);
Assignee:
Fluoroware, Inc., Chaska, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137863 ; 251331 ;
Abstract
The present weir valve includes a weir disposed along a flow passage. A port at the other side of the weir is open to the flow passage when the diaphragm is lifted off the weir.