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:
Aug. 16, 2011
Filed:
Oct. 30, 2008
Jeremy a Davis, Battle Ground, WA (US);
Melissa S. Gedraitis, Camas, WA (US);
Marc A. Baldwin, Corvallis, OR (US);
Louis Barinaga, Vancouver, WA (US);
Daniel D Dowell, Albany, OR (US);
Ashley E Childs, Corvallis, OR (US);
Mark A. Smith, Corvallis, OR (US);
Charles R. Steinmetz, Corvallis, OR (US);
Ralph L. Stathem, Lebanon, OR (US);
Jeffrey D. Langford, Lebanon, OR (US);
Michael L. Hilton, Vancouver, WA (US);
Jeremy A Davis, Battle Ground, WA (US);
Melissa S. Gedraitis, Camas, WA (US);
Marc A. Baldwin, Corvallis, OR (US);
Louis Barinaga, Vancouver, WA (US);
Daniel D Dowell, Albany, OR (US);
Ashley E Childs, Corvallis, OR (US);
Mark A. Smith, Corvallis, OR (US);
Charles R. Steinmetz, Corvallis, OR (US);
Ralph L. Stathem, Lebanon, OR (US);
Jeffrey D. Langford, Lebanon, OR (US);
Michael L. Hilton, Vancouver, WA (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
An ink delivery system having at least one off-axis ink supply container and an on-axis printhead assembly. The on-axis printhead assembly includes at least one reservoir and a corresponding standpipe separated by a particle filter. At least one tube connects the off-axis ink supply container to the on-axis printhead assembly. A first valve is configured to selectively open a flow path between the tube and the reservoir. A second valve is configured to selectively open a flow path between the standpipe and the tube.