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:
Feb. 12, 2008
Filed:
Dec. 09, 2003
Applicants:
Charles M. Olds, Martindale, TX (US);
Edward R. Lee, Martindale, TX (US);
Inventors:
Charles M. Olds, Martindale, TX (US);
Edward R. Lee, Martindale, TX (US);
Assignee:
S.H. Leggitt Company, San Marcos, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
G05D 16/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pressure regulator () includes a changeover regulator () with plural inlets (). Inside the regulator, each inlet has a closure member () connected to a diaphragm () for control of the closure members () in response to pressure inside the regulator (). Biasing members () are stabilized in position by either an apertured plate (), a cup () or both. A changeover handle () depresses one spring () or the other to bias one closure member () open to admit gas from the associated inlet (or).