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:
Mar. 08, 2005
Filed:
Feb. 26, 2003
Applicants:
Hal C. Danby, Sudbury, GB;
Mark E. Williamson, Wonder Lake, IL (US);
Julian F. R. Swan, London, GB;
Inventors:
Assignee:
Baxter International Inc., Deerfield, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16K031/126 ;
U.S. Cl.
CPC ...
Abstract
A valve is disclosed for dispensing a flowable material. The valve has a first chamber () at a first pressure wherein said first chamber () defines an outlet () in communication with said first chamber (). A second chamber () is at a second pressure. The valve has a stop () indexed against a third pressure, operating to selectively place the first chamber () into communication with the second chamber (). The stop () is operative to connect the second chamber () to said first chamber () when the first pressure is less than the third pressure.