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. 04, 2003
Filed:
Feb. 17, 2000
Christopher Taylor, Cely-en-Biere, FR;
Xavier Girones, Mora la Nova Tarragona, ES;
Antoni Murcia, San Diego, CA (US);
Xavier Bruch, Barcelona, ES;
Hewlett-Packard Company, Palo Alto, CA (US);
Abstract
A method for servicing an inkjet printhead without removing the printhead from a carriage of the printer, wherein a controlled pressure differential is generated across the nozzle plate of the printhead to cause the formation of a controlled puddle of ink on the outside of the nozzle plate. Ink is then fired into the puddle through the nozzles of the printhead. The puddle may then be drawn back into the printhead through the nozzles. Alternatively the puddle is generated, is maintained for a predetermined period of time and then is withdrawn into the printhead without ink being fired from the nozzles.