Inventor · disambiguated record
Ernst Lennart Johansson
Also filed as: JOHANSSON ERNST · JOHANSSON ERNST LENNART
3 granted patents·38 citations·filing 1974–1987
70Inventor score
Top patents by PatentIndex Score
3 records- 0155US4094364APercussion drill rodSANDVIK AB·Filed 1974·Granted Jun 13, 1978·20 cites·1 claims
- 0240US3981368ACoupling means in a drilling machineSANDVIK AB·Filed 1974·Granted Sep 21, 1976·11 cites·5 claims
- 0329US5009684AMultiple cyclone separatorJOHANSSON ERNST·Filed 1987·Granted Apr 23, 1991·7 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →