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.

Date of Patent:
Jul. 20, 2021

Filed:

Nov. 27, 2017
Applicant:

Hewlett-packard Development Company, L.p., Spring, TX (US);

Inventors:

Chien-Hua Chen, Corvallis, OR (US);

Jeffrey R. Pollard, Corvallis, OR (US);

Michael W. Cumbie, Corvallis, OR (US);

Si-Lam Choy, Corvallis, OR (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/18 (2006.01);
U.S. Cl.
CPC ...
B41J 2/18 (2013.01);
Abstract

A die may, in an example, include at least one cross-die recirculation channel formed into the die to recirculate an amount of printing fluid therethrough, the cross-die recirculation channel including a first-sized inlet port and a first-sized outlet port formed on a first side of the die, at least one chamber recirculation channel formed into the die and fluidically coupled to the cross-die recirculation channel to recirculate an amount of printing fluid therethrough, the chamber recirculation channel including a second-sized inlet port and a second-sized outlet port, at least one pump formed within the chamber recirculation channel to recirculate the amount of printing fluid therethrough.


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