Pär Sundqvist

Follow

Person

Fagersta, SE

People

Patents Grantslast 30 patents

Information Patent Grant
Method for treating toughness and hardness of drill bit buttons
- Patent number 10,597,744
- Issue date Mar 24, 2020
- Epiroc Drilling Tools Aktiebolag
- Tomas Rostvall
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
A METHOD FOR TREATING TOUGHNESS AND HARDNESS OF DRILL BIT BUTTONS
- Publication number 20180171428
- Publication date Jun 21, 2018
- ATLAS COPCO SECOROC AB
- Tomas Rostvall
- B24 - GRINDING POLISHING