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:
Aug. 28, 2001
Filed:
Nov. 05, 1997
Applicant:
Inventors:
John M. Wade, Poway, CA (US);
Kenneth J. Courian, San Diego, CA (US);
James L. McCullough, San Diego, CA (US);
Joe R. Pietrzyk, San Diego, CA (US);
Marvin D. Patton, San Diego, CA (US);
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/938 ; B41J 2/9377 ;
U.S. Cl.
CPC ...
B41J 2/938 ; B41J 2/9377 ;
Abstract
Disclosed is an inkjet printhead having a substrate that includes plurality of ink ejection elements formed thereon. The printhead also includes a heat exchanger in thermal contact with the substrate. The heat exchanger has a plurality of pathways for allowing a passage of ink through the heat exchanger.