Inventor · disambiguated record
Leif Karlsson
Also filed as: KARLSSON LEIF · KARLSSON LEIF E
8 granted patents·242 citations·filing 1985–2003
89Inventor score
Top patents by PatentIndex Score
8 records- 0195US4648760ADrill and cutting insert thereforSANTRADE LTD·Filed 1985·Granted Mar 10, 1987·92 cites·8 claims
- 0289US4889455ADrillSANDVIK AB·Filed 1988·Granted Dec 26, 1989·51 cites·13 claims
- 0375US6929431B2Vibration-dampened tool for working in metallic materialSANDVIK AB·Filed 2003·Granted Aug 16, 2005·23 cites·8 claims
- 0472US5634747ASpiral drill with coolant channels and method to manufacture a spiral drillSANDVIK AB·Filed 1993·Granted Jun 3, 1997·33 cites·5 claims
- 0557US4943240AElectrical connectionGEN ENGINEERING BV·Filed 1989·Granted Jul 24, 1990·17 cites·11 claims
- 0650US6916138B2Vibration dampened drilling toolSANDVIK AB·Filed 2001·Granted Jul 12, 2005·6 cites·20 claims
- 0745US4784836ADevice for the purification of gas, especially combustion gasKARLSSON LENNART·Filed 1987·Granted Nov 15, 1988·11 cites·8 claims
- 0840US5429458ASpiral drillSANDVIK AB·Filed 1994·Granted Jul 4, 1995·9 cites·3 claims
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