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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.:

US 11813569 B1

PDFFull Text
Date of Patent:
Nov. 14, 2023

Filed:

Mar. 29, 2022

Exhaust muffler, two-stroke engine or four-stroke engine having an exhaust muffler, and catalytic converter for an exhaust muffler

Applicant:

Andreas Stihl Ag & Co. KG, Waiblingen, DE;

Inventors:

Niels Kunert, Ottenbach, DE;

Dietmar Widmann, Leutenbach, DE;

Martin Christoph Arenz, Stuttgart, DE;

Michael Dietenberger, Waiblingen, DE;

Johannes Alber, Erdmannhausen, DE;

Jan-Eilert Kueper, Erdmannhausen, DE;

Marcus Bonifer, Muehiheim, DE;

Hans Hildenbrand, Steinau, DE;

Assignee:

Andreas Stihl AG & Co. KG, Waiblingen, DE;

Attorney:

Walter Ottesen, P.A.

Primary Examiner:

Lessanework Seifu

Int. Cl.
CPC ...
B01D 53/94 (2006.01); F01N 13/00 (2010.01); F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
B01D 53/94 (2013.01); F01N 3/2046 (2013.01); F01N 13/017 (2014.06); F01N 2260/02 (2013.01); F01N 2590/10 (2013.01);
Abstract

An exhaust muffler has an exhaust inlet, an exhaust outlet, as well as a catalytic converter which, in the flow direction, is disposed between the exhaust inlet and the exhaust outlet. The catalytic converter has at least one throughflow body which includes at least one wire body. At least one first component region of the throughflow body is coated with a catalytically functioning coating. The throughflow body moreover has a second component region which in terms of volume has a smaller quantity of catalytically functioning coating than the first component region.

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Kunert, Niels. (2023). Exhaust muffler, two-stroke engine or four-stroke engine having an exhaust muffler, and catalytic converter for an exhaust muffler (U.S. Patent No. 11813569). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11813569

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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