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:
Apr. 13, 2010
Filed:
Nov. 30, 2005
Applicants:
Howard Edelman, San Francisco, CA (US);
Daqing Liu, Foster City, CA (US);
Inventors:
Howard Edelman, San Francisco, CA (US);
Daqing Liu, Foster City, CA (US);
Assignee:
VitalWear, Inc., South San Francisco, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 11/087 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to fluid mixing valves, and more particularly, to mixing valve assemblies which incorporate a ball element and which are adapted for use in a thermal or contrast therapy system, or medical thermal therapy system. The ball element of the present invention is characterized by continuously varying restrictive inlets which enable the user to obtain a substantially linear therapy temperature profile while maintaining substantially constant outlet pressure and flow rates.