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:
Sep. 01, 2009
Filed:
Nov. 13, 2003
Frederick Wilkins, Pepperell, MA (US);
Evgeniya Freydina, Acton, MA (US);
Aytac Sezgi, Bedford, NH (US);
Reshma Madhusudan, Arlington Heights, IL (US);
Anil D. Jha, Lincoln, MA (US);
Frederick Wilkins, Pepperell, MA (US);
Evgeniya Freydina, Acton, MA (US);
Aytac Sezgi, Bedford, NH (US);
Reshma Madhusudan, Arlington Heights, IL (US);
Anil D. Jha, Lincoln, MA (US);
Siemens Water Technologies Holding Corp., Warrendale, PA (US);
Abstract
A method and apparatus for producing purified water. An electrochemical system can be configured to pass product water through depletion compartments as well as a cathode compartment. An electrochemical apparatus may also be configured to pass concentrate through both concentrating compartments and an anode compartment.