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:
Oct. 30, 2018
Filed:
Jan. 29, 2015
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
Nick McGuinness, San Diego, CA (US);
Lawrence H White, Corvallis, OR (US);
Paul A Richards, Corvallis, OR (US);
Assignee:
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/19 (2006.01); B41J 2/175 (2006.01); B41J 2/14 (2006.01); B41J 2/18 (2006.01);
U.S. Cl.
CPC ...
B41J 2/19 (2013.01); B41J 2/1404 (2013.01); B41J 2/175 (2013.01); B41J 2/18 (2013.01); B41J 2/1433 (2013.01); B41J 2002/14467 (2013.01); B41J 2202/11 (2013.01);
Abstract
A fluid ejection device includes a fluid slot, a fluid ejection chamber communicated with the fluid slot, a drop ejecting element within the fluid ejection chamber, a fluid circulation channel communicated at a first end with the fluid slot and communicated at a second end with the fluid ejection chamber, a fluid circulating element within the fluid circulation channel, and a particle tolerant architecture within the fluid circulation channel at the second end.