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:
Sep. 16, 2025
Filed:
Aug. 14, 2024
Andreas Stihl Ag & Co. KG, Waiblingen, DE;
Felix Servatius, Remshalden, DE;
Alexandre Caon Biondo, Porto Alegre, BR;
Paula Rodrigues Caumo, Sao Leopoldo, BR;
Sofia Fogaca Soubhia, Porto Alegre, BR;
Takashi Ishii, Iwate-Ken, JP;
Vital Kumar Yadav Pillala, Iwate-Ken, JP;
Andreas Stihl AG & Co. KG, Waiblingen, DE;
Abstract
A mixture formation apparatus, especially for an internal combustion engine of a working device, has a mixture formation apparatus housing, where a surface of the mixture formation apparatus housing is provided at least partly with a layer structure for protection from corrosion and/or deposits. The layer structure has at least one aluminium oxide layer having a layer thickness of at least 10 μm. A method of manufacturing the mixture formation apparatus, and a working device or an internal combustion engine having the mixture formation apparatus, are disclosed.