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:
Dec. 17, 2019
Filed:
Sep. 09, 2018
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
Brian J. Keefe, La Jolla, CA (US);
Joseph E. Scheffelin, Poway, CA (US);
James W. Ring, Blodgett, OR (US);
Mark A. Devries, Corvallis, OR (US);
Assignee:
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/17 (2006.01); B41J 2/175 (2006.01); B41J 2/18 (2006.01); B41J 29/38 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17 (2013.01); B41J 2/175 (2013.01); B41J 2/17563 (2013.01); B41J 2/17596 (2013.01); B41J 2/18 (2013.01); B41J 29/38 (2013.01);
Abstract
A print module may include a printhead die. The printhead die may include a chamber layer having ink chambers and micro-channels formed in the chamber layer. The print module may further include a die carrier including manifold passages through which ink flows to and from the printhead die and dual pressure regulators to flow fluid through the micro-channels of the printhead die.