Sakari Ruppi

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Tubingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Tool having CVD coating
- Patent number 9,976,213
- Issue date May 22, 2018
- Walter AG
- Dirk Stiens
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Cutting insert and method for production thereof
- Patent number 9,238,267
- Issue date Jan 19, 2016
- Walter AG
- Dirk Stiens
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Grain boundary engineered alpha-alumina coated cutting tool
- Patent number 9,206,510
- Issue date Dec 8, 2015
- Walter AG
- Dirk Stiens
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Tool having CVD coating
- Publication number 20160053372
- Publication date Feb 25, 2016
- WALTER AG
- Dirk STIENS
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Cutting Insert and Method for Production Thereof
- Publication number 20140193624
- Publication date Jul 10, 2014
- WALTER AG
- Dirk Stiens
- C30 - CRYSTAL GROWTH
Information Patent Application
Grain Boundary Engineered Alpha-Alumina Coated Cutting Tool
- Publication number 20140193622
- Publication date Jul 10, 2014
- WALTER AG
- Dirk Stiens
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Sulfur Containing Alpha-Alumina Coated Cutting Tool
- Publication number 20140173996
- Publication date Jun 26, 2014
- WALTER AG
- Dirk Stiens
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...