Membership
Tour
Register
Log in
Johannes Kolaska
Follow
Person
Bottrop, DE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Sintered tungsten carbide material and manufacturing method
Patent number
4,684,405
Issue date
Aug 4, 1987
Fried. Krupp GmbH
Johannes Kolaska
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Compound body
Patent number
4,284,687
Issue date
Aug 18, 1981
Fried. KRUPP Gesellschaft mit beschrankter Haftung
Klaus Dreyer
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for producing hard metal bodies of increased wear resistance
Patent number
4,276,096
Issue date
Jun 30, 1981
Fried. KRUPP Gesellschaft mit beschrankter Haftung
Johannes Kolaska
B22 - CASTING POWDER METALLURGY