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:
Feb. 27, 2018
Filed:
Oct. 30, 2015
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
Alexander N. Govyadinov, Corvallis, OR (US);
Paul A. Richards, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05C 5/02 (2006.01); B41J 2/175 (2006.01); B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
B05C 5/02 (2013.01); B41J 2/1404 (2013.01); B41J 2/14201 (2013.01); B41J 2/175 (2013.01); B41J 2/17563 (2013.01); B41J 2/17596 (2013.01); B41J 2002/14403 (2013.01); B41J 2002/14467 (2013.01); B41J 2202/12 (2013.01);
Abstract
The examples provide a fluid ejection apparatus that includes a fluid slot; a passage, a drop generator and a fluid circulation pump. The passage has an inlet connected to the fluid slot and an outlet spaced from the inlet and connected to the fluid slot. The passage as a first portion extending in a first direction from the inlet and a second portion extending from the first portion to the outlet in a second direction, opposite to the first direction. A filter is within the fluid slot across the inlet.