EH

E. Torbjorn Hartzell

SA Sandvik Ab: 5 patents #59 of 518Top 15%
Overall (All Time): #1,056,407 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5453241 Cemented carbide body with extra tough behavior Jan Akerman, Udo Fischer 1995-09-26
5413869 Cemented carbide body with increased wear resistance Udo Fischer, Jan Akerman 1995-05-09
5401461 Cemented carbide body used preferably for abrasive rock drilling and mineral cutting Jan Akerman, Udo Fischer 1995-03-28
5286549 Cemented carbide body used preferably for abrasive rock drilling and mineral cutting Jan Akerman, Udo Fischer 1994-02-15
5279901 Cemented carbide body with extra tough behavior Jan Akerman, Udo Fischer 1994-01-18