Inventor · disambiguated record
Douglas Sewerin Ekman
Also filed as: EKMAN DOUGLAS S · EKMAN DOUGLAS SEWERIN
4 granted patents·103 citations·filing 1974–1985
79Inventor score
Files withBOLIDEN AB4
Top patents by PatentIndex Score
4 records- 0187US4087274AMethod of producing a partially reduced product from finely-divided metal sulphidesBOLIDEN AB·Filed 1976·Granted May 2, 1978·39 cites·24 claims
- 0287US3948640AMethod of carrying out heat-requiring chemical and/or physical processesBOLIDEN AB·Filed 1974·Granted Apr 6, 1976·36 cites·58 claims
- 0384US3948645AMethod of carrying out heat-requiring chemical and/or physical processes in a fluidized bedBOLIDEN AB·Filed 1974·Granted Apr 6, 1976·24 cites·58 claims
- 0429US4686105AGranular product containing magnesium oxide as its main constituentBOLIDEN AB·Filed 1985·Granted Aug 11, 1987·4 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →