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:
May. 31, 2022

Filed:

Jul. 14, 2015
Applicant:

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

Inventors:

Alexander Govyadinov, Corvallis, OR (US);

Ron Burns, San Diego, CA (US);

Erik D. Torniainen, Corvallis, OR (US);

Galen P. Cook, Corvallis, OR (US);

David P. Markel, Corvallis, OR (US);

Garrard Hume, San Diego, CA (US);

Chris Bakker, Aguadilla, PR (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B41J 29/02 (2006.01); B41J 2/14 (2006.01); B41J 2/18 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17596 (2013.01); B41J 2/1404 (2013.01); B41J 2/1433 (2013.01); B41J 2/14145 (2013.01); B41J 2/18 (2013.01); B41J 29/02 (2013.01); B41J 2002/14403 (2013.01); B41J 2002/14467 (2013.01); B41J 2002/14475 (2013.01); B41J 2202/11 (2013.01); B41J 2202/12 (2013.01);
Abstract

A fluid recirculation channel for dispensing a plurality of fluid drop weights includes a number of sub-channels. The sub-channels include at least one pump channel, and a plurality of drop generator channels fluidically coupled to the at least one pump channel. The fluid recirculation channel further includes a number of pump generators incorporated into the at least one pump channel, a number of drop generators incorporated into drop generator channels, and a plurality of nozzles defined within the drop generator channels, the nozzles being at least as numerous as the number of drop generators.


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