Inventor

WESTPHAL HARTMUT

DE21 patents

⚠️ This page may combine multiple inventors who share the name “WESTPHAL HARTMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WESTPHAL HARTMUT

WIDIA GMBH

Method for increasing compression stress or reducing internal tension stress of a CVD, PCVD or PVD layer and cutting insert for machining

Processing insert, and production of same

Composite material coating and a method for the production thereof

Composite body comprising a hard metal, cermet or ceramic substrate body and method of producing same

Composite body, production process and use

Composite body and process for its production

Composite body and production process

Cutting tool, process for coating a cutting tool and use thereof

KENNAMETAL INC

Coatings for cutting tools

Method of making aluminum oxynitride coated article

Coatings for cutting tools

Refractory coatings for cutting tools

CVD-coated article and CVD process of making the same

VAN DEN BERG HENDRIKUS

Body coated with hard material

Body coated with hard material

KENNAMETAL WIDIA PROD GMBH

Tool and method for the chemical vapor deposition of a two-phase layer on a substrate member

Method for producing a coated substrate body, substrate body comprising a coating and use of the coated substrate body

SOTTKE VOLKMAR

Aluminum oxynitride coated article and method of making the same

Coated cutting insert and method for making the same

KENNAMETAL WIDIA GMBH & CO KG

Composite material

LEICHT PETER

Coated cutting insert and method for making the same