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:
Mar. 15, 2011
Filed:
Aug. 25, 2008
Applicant:
John Michael Lull, Fullerton, CA (US);
Inventor:
John Michael Lull, Fullerton, CA (US);
Assignee:
Brooks Instrument, LLC, Hatfield, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F 1/68 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and method of compensating for pressure variations in a flow controller entails the use of the compressibility of the gas being controlled to provide a more accurate measurement of the flow.