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:
Feb. 28, 2006
Filed:
Sep. 28, 2004
Todd A. Cleland, Corvallis, OR (US);
Robert C. Maze, Corvallis, OR (US);
Michael D. Miller, Shedd, OR (US);
Rama Prasad, Albany, OR (US);
Robert N. K. Browning, Corvallis, OR (US);
Dale R. Oughton, Albany, OR (US);
Joseph M. Torgerson, Philomath, OR (US);
Kenneth D. Saul, Philomath, OR (US);
Michael B. Hager, Corvallis, OR (US);
Douglas M. Collins, Corvallis, OR (US);
Leslie A. Field, Portola Valley, CA (US);
Storrs Hoen, Brisbane, CA (US);
Phillip W. Barth, Portola Valley, CA (US);
Todd A. Cleland, Corvallis, OR (US);
Robert C. Maze, Corvallis, OR (US);
Michael D. Miller, Shedd, OR (US);
Rama Prasad, Albany, OR (US);
Robert N. K. Browning, Corvallis, OR (US);
Dale R. Oughton, Albany, OR (US);
Joseph M. Torgerson, Philomath, OR (US);
Kenneth D. Saul, Philomath, OR (US);
Michael B. Hager, Corvallis, OR (US);
Douglas M. Collins, Corvallis, OR (US);
Leslie A. Field, Portola Valley, CA (US);
Storrs Hoen, Brisbane, CA (US);
Phillip W. Barth, Portola Valley, CA (US);
Hewlett-Packard Development, L.P., Houston, TX (US);
Abstract
Several improvements have been made in inkjet print cartridges to realize 5 ng drop weights at ejection frequencies of 18 KHz. These improvements include small nozzle openings, improved heater resistor efficiency, and better ink supply reliability.