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. 18, 2003
Filed:
May. 23, 2002
Charles Michael Birtcher, Valley Center, CA (US);
Martin Castaneda Martinez, Oceanside, CA (US);
Thomas Andrew Steidl, Escondido, CA (US);
Gil Vivanco, San Diego, CA (US);
David James Silva, San Diego, CA (US);
Air Products and Chemicals, Inc., Allentown, PA (US);
Abstract
A manifold comprising a container having two ports; a conduit connecting the container to a source/dispense of chemical having a first end and a second end and a connector for the ends; first block valve having two diaphragm valves, each valve having a valve seat side and a diaphragm side, each valve seat side faces the other valve seat side, and connected to the first end of the conduit, one diaphragm side connected to a first port, and another diaphragm side connected to vent; a second block valve having two diaphragm valves, having a valve seat side and a diaphragm side, wherein each valve seat side faces the other valve seat side, and each valve seat side connected to the second end of the conduit, the diaphragm side of one valve connected to purge, and the diaphragm side of another valve connected to push gas or chemical outlet.