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. 06, 2007
Filed:
Jul. 18, 2003
Applicants:
Christopher Wargo, Wellesley, MA (US);
J. Karl Niermeyer, Tyngsboro, MA (US);
Jieh-hwa Shyu, Andover, MA (US);
Craig L. Brodeur, Marlborough, MA (US);
William Basser, North Adams, MA (US);
Inventors:
Christopher Wargo, Wellesley, MA (US);
J. Karl Niermeyer, Tyngsboro, MA (US);
Jieh-Hwa Shyu, Andover, MA (US);
Craig L. Brodeur, Marlborough, MA (US);
William Basser, North Adams, MA (US);
Assignee:
Entegris, Inc., Chaska, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides restrictive-flow flow measurement devices, valve improvements and signal control devices and processes that control the flow of liquids, including control processes for single-liquid calibration.