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. 15, 2008
Filed:
Jul. 29, 2003
Applicants:
James Rulon Young Rawson, Clifton Park, NY (US);
David Najewicz, Prospect, KY (US);
Inventors:
James Rulon Young Rawson, Clifton Park, NY (US);
David Najewicz, Prospect, KY (US);
Assignee:
General Electric Company, Niskayuna, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06B 11/00 (2006.01); D06B 19/00 (2006.01); D06B 35/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method and apparatus for removing contaminants from a solvent based cleaning fluid. An article cleaning apparatus comprises an ultrafiltration filter having a pore size of about 0.01 microns to about 0.2 microns. A method for performing a solvent based cleaning process using an article cleaning apparatus comprises passing a solvent based cleaning fluid through an ultrafiltration filter having a having a pore size of about 0.01 microns to about 0.2 microns.