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:
Nov. 18, 1997
Filed:
May. 24, 1996
Applicant:
Inventors:
Donald F Ruffner, Scottsdale, AZ (US);
Paul D Olivier, Scottsdale, AZ (US);
Assignee:
Exact Flow, L.L.C., Scottsdale, AZ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
7386184 ;
Abstract
A turbine type flow meter incorporating an auxiliary turbine ahead of the main turbine, the auxiliary turbine rotating in the opposite direction from that of the main turbine and serving as a flow conditioner, thereby extending the effective range of the flow meter to lower rates of flow.
Ruffner, Donald. (1997). Wide range, high accuracy flow meter (U.S. Patent No. 5689071). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5689071
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile