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:
Sep. 24, 2024
Filed:
Apr. 14, 2020
Applicant:
Hewlett-packard Development Company, L.p., Spring, TX (US);
Inventors:
Chien-Hua Chen, Corvallis, OR (US);
Michael G Groh, Corvallis, OR (US);
Bo Song, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17553 (2013.01); B41J 2/1606 (2013.01); B41J 2/1632 (2013.01); B41J 2/162 (2013.01);
Abstract
A fluid-ejection die cartridge includes a cartridge body. The fluid-ejection die cartridge includes a fluid-ejection die fluidically attached to the cartridge body. The fluid-ejection die is to eject fluid. The fluid-ejection die cartridge includes a stamped nanoceramic layer on an exposed fluid-ejection nozzle plate of the fluid-ejection die attached to the cartridge body.