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:
Nov. 28, 2006
Filed:
Dec. 02, 2003
Applicant:
Dennis M. Lengyel, Hemlock, NY (US);
Inventor:
Dennis M. Lengyel, Hemlock, NY (US);
Assignee:
Nu-Kote International, Inc., Franklin, TN (US);
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/393 (2006.01); B41J 1/19 (2006.01);
U.S. Cl.
CPC ...
Abstract
A flow resistance measuring or black-pressure tester is provided for ink cartridges. A syringe pump extracts fluid at a desired flow rate from an outlet port of an ink cartridge. An ink removal device allows a user to selectively purge air from the system to improve the accuracy of the meassurements. A variety of flow rates are measured to collect as benchmark data and allow new designs to be similarly sized, specified, and materials and pathways selected to control fluid delivery in replacement ink cartridges.