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:
May. 22, 2012
Filed:
Dec. 16, 2009
Applicants:
Frederick C. Wilkins, Pepperell, MA (US);
Anil Jha, San Francisco, CA (US);
Gary C. Ganzi, Lexington, MA (US);
Inventors:
Frederick C. Wilkins, Pepperell, MA (US);
Anil Jha, San Francisco, CA (US);
Gary C. Ganzi, Lexington, MA (US);
Assignee:
Siemens Industry, Inc., Alpharetta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/00 (2006.01); B01D 61/42 (2006.01); B01D 63/00 (2006.01); B01D 17/06 (2006.01); B01J 49/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for purifying water are provided. A feed water such as seawater can be fed to a filter such as a microporous or nanofiltration membrane to produce a permeate that can, in turn, be fed to an electrodeionization system to produce fresh water.