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:
Aug. 30, 2005
Filed:
Jul. 18, 2003
Applicant:
Hans D. Baumann, Rye, NH (US);
Inventor:
Hans D. Baumann, Rye, NH (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K051/00 ;
U.S. Cl.
CPC ...
Abstract
A balanced plug valve having substantially reduced shut-off force requirements due to an integral dual seating arrangement of the valve plug within a valve housing having slanted inlet and outlet ports and wherein the inlet port forms an elliptical opening for fluid control which is selectively exposed by a cylindrical portion of a sliding valve plug.