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:
Apr. 30, 2024
Filed:
Mar. 05, 2020
Applicant:
Hewlett-packard Development Company, L.p., Spring, TX (US);
Inventors:
Jacob Lum, Corvallis, OR (US);
Alexander Govyadinov, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/18 (2006.01); B41J 2/14 (2006.01); B41J 2/05 (2006.01);
U.S. Cl.
CPC ...
B41J 2/18 (2013.01); B41J 2/1404 (2013.01); B41J 2/14112 (2013.01); B41J 2/05 (2013.01); B41J 2202/12 (2013.01);
Abstract
A fluid-ejection element of a fluid-ejection device includes a chamber layer having a pair of chambers fluidically disconnected from one another within the chamber layer. The fluid-ejection element includes a tophat layer over the chamber layer and fluidically connecting the chambers to define a fluid recirculation path between the chambers. The fluid-ejection element includes a nozzle common to both the chambers.