Inventor · disambiguated record
Torbjorn Hartzell
Also filed as: HARTZELL TORBJOERN · HARTZELL TORBJORN
5 granted patents·277 citations·filing 1995–1996
84Inventor score
Files withSANDVIK AB5
Top patents by PatentIndex Score
5 records- 0193US5856626ACemented carbide body with increased wear resistanceSANDVIK AB·Filed 1996·Granted Jan 5, 1999·157 cites·2 claims
- 0283USD371374SAsymmetrical button insert for rock drillingSANDVIK AB·Filed 1995·Granted Jul 2, 1996·30 cites·1 claims
- 0371US5881828ARock drill bit and cutting insertsSANDVIK AB·Filed 1995·Granted Mar 16, 1999·67 cites·11 claims
- 0445USD371146SAsymmetrical button insert for rock drillingSANDVIK AB·Filed 1995·Granted Jun 25, 1996·6 cites·1 claims
- 0539US6119798ARock drill bit and cutting insertsSANDVIK AB·Filed 1995·Granted Sep 19, 2000·17 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →