JA

Jan Akerman

SA Sandvik Ab: 3 patents #4 of 48Top 9%
ST Sandvik Rock Tools: 1 patents #2 of 3Top 70%
📍 Stuvsta-Snättringe, SE: #1 of 19 inventorsTop 6%
Overall (1994): #6,012 of 165,921Top 4%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5375672 Mine roof drill bit and cutting insert therefor Kent Peay 1994-12-27
5333520 Method of making a cemented carbide body for tools and wear parts Udo Fischer, Bengt Asberg, Stig Lagerberg 1994-08-02
5286549 Cemented carbide body used preferably for abrasive rock drilling and mineral cutting E. Torbjorn Hartzell, Udo Fischer 1994-02-15
5279901 Cemented carbide body with extra tough behavior Udo Fischer, E. Torbjorn Hartzell 1994-01-18