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:
Jun. 19, 2012
Filed:
Aug. 10, 2007
Kurt Wallerstorfer, Strasswalchen, AT;
Andreas Wawrla, Widnau, CH;
Roland Scholz, Haan, DE;
Abstract
A tank filter combination is provided for appliances which use water, in particular domestic appliances or appliances for preparation of foodstuffs and/or drinks, such as automatic drinks machines, in particular automatic coffee machines, drinking water dispensers, cooking and baking appliances, steamers, in particular steam irons, steam cleaners, high-pressure cleaners, air cleaners and air conditioners, etc. having a suction connection on the tank for suction of water from the tank at a reduced pressure, and a filter connection for connection of a filter cartridge in the interior of and/or outside the tank to ensure use of a permissible filter type. A filter cartridge according to the invention is distinguished by mechanical coding structures with a polygonal structure on the circumferential surface on the output side of the filter cartridge to prevent the use of a filter cartridge which does not correspond to the tank.