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. 09, 2025
Filed:
Mar. 29, 2021
Hewlett-packard Development Company, L.p., Spring, TX (US);
Ana Oropesa Fisica, Sant Cugat del Valles, ES;
Dorkaitz Alain Vazquez Fernandez, Sant Cugat del Valles, ES;
Alberto Borrego Lebrato, Sant Cugat del Valles, ES;
Jennifer M. Korngiebel, San Diego, CA (US);
Alvin Zheng-Hui Yu, San Diego, CA (US);
Miquel Boleda Busquets, Sant Cugat del Valles, ES;
Ryan Suelzle, San Diego, CA (US);
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Spring, TX (US);
Abstract
Example implementations provide a controller to determine a printing fluid abnormality associated with an ink supply channel of a printer; the controller comprising: an input to receive a signal output by a pressure sensor; the signal being indicative of ink pressure associated with the ink supply channel, and a monitor to determine from a characteristic of the signal the presence of an abnormality in the printing fluid.