Inventor · disambiguated record
John Stewart Campbell
Also filed as: CAMPBELL JOHN S · CAMPBELL JOHN STEWART
6 granted patents·106 citations·filing 1973–1993
84Inventor score
Top patents by PatentIndex Score
6 records- 0174US5682670AMethod for the fabrication of multipole magnetsMAGNET APPLIC LTD·Filed 1993·Granted Nov 4, 1997·35 cites·9 claims
- 0271US4409044AWater-in-oil emulsion explosives and a method for the preparation of the sameINDIAN EXPLOSIVES LTD·Filed 1982·Granted Oct 11, 1983·23 cites·10 claims
- 0364US3947381AMethod of making a catalystICI LTD·Filed 1973·Granted Mar 30, 1976·18 cites·2 claims
- 0459US3939104ACatalytic processICI LTD·Filed 1973·Granted Feb 17, 1976·18 cites·18 claims
- 0555US4840774AProcess for the production of zirconium tetrachloride from dissociated zirconTAM CERAMICS INC·Filed 1987·Granted Jun 20, 1989·10 cites·11 claims
- 0633US5026504ACuring composition for polysulphide polymersCOOKSON GROUP PLC·Filed 1990·Granted Jun 25, 1991·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →