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:
Jan. 28, 2025
Filed:
Feb. 22, 2022
Applicant:
Federal-mogul Valvetrain Gmbh, Barsinghausen, DE;
Inventors:
Thorsten Matthias, Garbsen, DE;
Stefan Kellermann, Barsinghausen, DE;
Assignee:
FEDERAL-MOGUL VALVETRAIN GMBH, Barsinghausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 3/04 (2006.01);
U.S. Cl.
CPC ...
F01L 3/04 (2013.01); F01L 2303/01 (2020.05);
Abstract
A method for the production of a poppet valve which is armoured in at least the region of a valve seat, comprising providing a substantially cylindrical or cup-shaped semi-finished product produced from a valve steel, which is coated with an armouring material, whereupon the coated semi-finished product is formed into an armoured poppet valve.