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:
Apr. 28, 2009
Filed:
Dec. 30, 2004
Chad T. Vanderroest, Watervliet, MI (US);
Jay Landsiedel, Kewanee, IL (US);
Antony M. Rappette, Beton Harbor, MI (US);
David Hung Chi Chen, St. Joseph, MI (US);
Chad T. Vanderroest, Watervliet, MI (US);
Jay Landsiedel, Kewanee, IL (US);
Antony M. Rappette, Beton Harbor, MI (US);
David Hung Chi Chen, St. Joseph, MI (US);
Whirlpool Corporation, Benton Harbor, MI (US);
Abstract
A dishwasher has multiple wash zones which are each supplied by a wash liquid supply. An interior tub configured to provide an interior wash chamber for washing dishes is divisible into a plurality of wash zones supplied by separate wash liquid supplies. One of the wash zones is supplied by a spray manifold having rotating spray heads. The spray heads are provided with internal vanes which urge the spray heads to rotate and direct wash liquid to outlets in the spray heads.