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:
Jan. 23, 2007
Filed:
Mar. 27, 2003
Applicant:
Walter James Ferguson, Waterbury, CT (US);
Inventor:
Walter James Ferguson, Waterbury, CT (US);
Assignee:
Ashcroft, Inc., Stratford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pressure gauge comprising a stem having an inlet at which pressure is sensed. A Bourdon tube is coupled to the stem and is displaceable in response to pressure changes at the inlet. A movement comprising a movement plate conducts displacement of the Bourdon tube to a pointer shaft. A circuit board comprising an inductor is fixed relative to the stem. The movement plate comprises an integral flag connecting the movement to the Bourdon tube and an integral inductive target operatively positioned relative to the inductor.