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. 28, 2012
Filed:
Jul. 07, 2011
Applicants:
Michael P. Boulanger, Everett, WA (US);
Bruce K. Grewell, Seattle, WA (US);
Inventors:
Michael P. Boulanger, Everett, WA (US);
Bruce K. Grewell, Seattle, WA (US);
Assignee:
Eldec Corporation, Lynnwood, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 1/34 (2006.01); G01F 1/44 (2006.01); G01F 1/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
A simple, passive and rugged device for measuring the flow rate of liquid. A variable area obstruction valve, a differential pressure sensor and a densitometer are combined in a single housing to provide for a highly accurate and precise measure of mass flow.