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. 28, 2021
Filed:
Dec. 18, 2017
Applicant:
Hewlett-packard Development Company, L.p., Spring, TX (US);
Inventors:
Antonio Gracia Verdugo, Sant Cugat del Valles, ES;
Javier Deocon Mir, Sant Cugat del Valles, ES;
Jeffrey L. Thielman, Sant Cugat del Valles, ES;
Assignee:
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/17 (2006.01); G01F 23/292 (2006.01); B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
G01F 23/292 (2013.01); B41J 2/1721 (2013.01); B41J 2/17566 (2013.01); B41J 2002/1742 (2013.01); B41J 2002/17573 (2013.01);
Abstract
A system for detecting a filling level in a printing fluid waste container comprises a waste container that collects excess printing fluid in a reservoir, and an optical sensor unit that detects a filling level of the reservoir on a filling reference surface.