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:
Oct. 02, 2012
Filed:
Feb. 01, 2010
Applicants:
Sven Keller, Berglen, DE;
Harald Bühner, Rudersberg, DE;
Christoph Maschke, Börtlingen, DE;
Armin Kölmel, Rottenburg, DE;
Andreas Weisshaar, Weinstadt, DE;
Konrad Knaus, Gaildorf, DE;
Inventors:
Sven Keller, Berglen, DE;
Harald Bühner, Rudersberg, DE;
Christoph Maschke, Börtlingen, DE;
Armin Kölmel, Rottenburg, DE;
Andreas Weisshaar, Weinstadt, DE;
Konrad Knaus, Gaildorf, DE;
Assignee:
Andreas Stihl AG & Co. KG, Waiblingen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 46/00 (2006.01); F02M 17/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
An air filter unit () for a carburetor () of a portable handheld work apparatus includes a filter element () and at least one clean air channel () arranged between the filter element () and the carburetor (). At least one condensation rib () is arranged in the clean air channel () running in flow direction.