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.

Date of Patent:
Mar. 01, 2022

Filed:

Oct. 08, 2020
Applicant:

Hewlett-packard Development Company, L.p., Spring, TX (US);

Inventors:

Alexander Govyadinov, Corvallis, OR (US);

Erik D Torniainen, Corvallis, OR (US);

David P Markel, Corvallis, OR (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/18 (2006.01); B41J 2/14 (2006.01); B41J 2/175 (2006.01); F04B 19/00 (2006.01); F04B 19/20 (2006.01); F04B 19/24 (2006.01); B01L 3/00 (2006.01);
U.S. Cl.
CPC ...
B41J 2/18 (2013.01); B01L 3/50273 (2013.01); B01L 3/502715 (2013.01); B01L 3/502746 (2013.01); B41J 2/1404 (2013.01); B41J 2/14201 (2013.01); B41J 2/1753 (2013.01); F04B 19/006 (2013.01); F04B 19/20 (2013.01); F04B 19/24 (2013.01); B01L 2300/088 (2013.01); B01L 2300/0816 (2013.01); B01L 2300/123 (2013.01); B01L 2400/0481 (2013.01); B01L 2400/082 (2013.01); B41J 2002/14467 (2013.01); B41J 2202/12 (2013.01);
Abstract

A fluid ejection device may include a first channel having a first end and a second end, a first drop ejector along the first channel, a second channel having a first end and a second end, a second drop ejector along the second channel, a third channel extending between and connecting the first end of the first channel and the first end of the second channel, a fourth channel extending between and connecting the second end of the firs channel and the second end of the second channel and a fifth channel extending between and connecting the third channel and the fourth channel.


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