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:
Oct. 08, 2013
Filed:
Oct. 20, 2010
Applicants:
Daniel Clark Park, West Linn, OR (US);
Isaac S. Frazier, Portland, OR (US);
David P. Platt, Newberg, OR (US);
David R. Koehler, Sherwood, OR (US);
Inventors:
Daniel Clark Park, West Linn, OR (US);
Isaac S. Frazier, Portland, OR (US);
David P. Platt, Newberg, OR (US);
David R. Koehler, Sherwood, OR (US);
Assignee:
Xerox Corporation, Norwalk, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/18 (2006.01); B41J 2/185 (2006.01); B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
Abstract
An inkjet printing apparatus is provided with a one-way valve to enable a single conduit to supply ink to an ink reservoir and withdraw purged ink from a receptacle into the ink reservoir. A bi-directional pump is operated in both directions in an alternating manner to withdraw ink from the receptacle when supplying the ink reservoir with ink.