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. 20, 2001
Filed:
Sep. 22, 1999
Applicant:
Inventor:
James M. Davenport, Fallbrook, CA (US);
Assignee:
Salter Labs, Arvin, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62B 9/02 ;
U.S. Cl.
CPC ...
A62B 9/02 ;
Abstract
A supply valve for a pneumatically-operated gas demand apparatus or an intermittent gas delivery device disposed between a source of pressurized respiratory gas and a patient. The valve includes first and second housing parts defining a chamber and having first and second cooperating fluid passageways. A flexible diaphragm member is disposed in the chamber. The diaphragm member includes a central sealing portion and a radial projection integral with the central sealing portion for enabling fluid communication between the first and second fluid passageways and for sealing the first and second passageways against leakage.