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:
Jun. 28, 2011
Filed:
Jun. 16, 2009
Applicant:
Henry C. Straub, Jr., Sugar Land, TX (US);
Inventor:
Henry C. Straub, Jr., Sugar Land, TX (US);
Assignee:
Daniel Measurement and Control, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 1/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method comprises, without ceasing flow of fluid through a flow meter, transmitting an ultrasonic signal of a first frequency through the fluid, adjusting the first frequency to a second frequency, and transmitting another ultrasonic signal of the second frequency through the fluid.