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.

Date of Patent:
Feb. 17, 2026

Filed:

Dec. 17, 2020
Applicant:

Walter Ag, Tubingen, DE;

Inventors:

Wolfgang Engelhart, Tubingen, DE;

Veit Schier, Tubingen, DE;

Sven Majchrzak, Tubingen, DE;

Assignee:

Walter AG, Tubingen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 28/00 (2006.01); B23B 27/14 (2006.01); C23C 14/00 (2006.01); C23C 14/02 (2006.01); C23C 14/06 (2006.01); C23C 14/32 (2006.01); C23C 14/35 (2006.01); C23C 14/58 (2006.01); C23C 28/04 (2006.01); C23C 30/00 (2006.01);
U.S. Cl.
CPC ...
C23C 28/42 (2013.01); B23B 27/148 (2013.01); C23C 14/0036 (2013.01); C23C 14/022 (2013.01); C23C 14/024 (2013.01); C23C 14/0641 (2013.01); C23C 14/325 (2013.01); C23C 14/35 (2013.01); C23C 14/5886 (2013.01); C23C 28/042 (2013.01); C23C 28/044 (2013.01); C23C 30/005 (2013.01); B23B 2228/105 (2013.01);
Abstract

A coated cutting tool and a process for the production thereof is provided. The coated cutting tool consists of a substrate body of WC—Co based cemented carbide and a coating, the coating including a first (Ti,Al)N multilayer, a first gamma-aluminium oxide layer, and a set of alternating second (Ti,Al)N multilayers and second gamma-aluminium oxide layers.


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Engelhart, Wolfgang. (2026). Coated cutting tool (U.S. Patent No. 12553137). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12553137

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

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