Inventor · disambiguated record
Bernt S. Liljekvist
Also filed as: LILJEKVIST BERNT S · LILJEKVIST BERNT SOREN
9 granted patents·167 citations·filing 1974–1987
90Inventor score
Top patents by PatentIndex Score
9 records- 0175US4598779ARock drill bitSANTRADE LTD·Filed 1984·Granted Jul 8, 1986·51 cites·18 claims
- 0274US4228863AReamer bit for raise boringSANDVIK AB·Filed 1978·Granted Oct 21, 1980·19 cites·7 claims
- 0367US4760887ADrill element for percussion drillingSANTRADE LTD·Filed 1986·Granted Aug 2, 1988·26 cites·16 claims
- 0454US4805705ADrill bitSANTRADE LTD·Filed 1987·Granted Feb 21, 1989·16 cites·4 claims
- 0552US3971447ADrill rod for percussion drillingSANDVIK AB·Filed 1974·Granted Jul 27, 1976·13 cites·12 claims
- 0649US4399879ABoring headSANTRADE LTD·Filed 1981·Granted Aug 23, 1983·14 cites·8 claims
- 0740US4441565AGuiding device for percussion drillsSANTRADE LTD·Filed 1982·Granted Apr 10, 1984·11 cites·9 claims
- 0839US4274496AMethod and device in earth cuttingSANDVIK AB·Filed 1980·Granted Jun 23, 1981·9 cites·7 claims
- 0938US4004644ARoller cutterSANDVIK AB·Filed 1976·Granted Jan 25, 1977·8 cites·5 claims
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