Inventor · disambiguated record
John F. Helliwell
Also filed as: HELLIWELL JOHN · HELLIWELL JOHN F · HELLIWELL JOHN FIELDEN
4 granted patents·1 pending application·72 citations·filing 1977–2013
78Inventor score
Top patents by PatentIndex Score
5 records- 0166US5500152ADetergent compositionLEVER BROTHERS CO·Filed 1995·Granted Mar 19, 1996·37 cites·8 claims
- 0254US4614606ALiquid scouring compositionsLEVER BROTHERS LTD·Filed 1984·Granted Sep 30, 1986·16 cites·9 claims
- 0343US5422280AMethod for detecting detergent compositions for enhanced silicone deposition comprising silicone and cationic polymersLEVER BROTHERS CO·Filed 1993·Granted Jun 6, 1995·11 cites·1 claims
- 0439US2014038740A1Golf Practice Assemblies and MethodsWANNER DAVID·Filed 2013·Application pending·0 cites
- 0536US4088612ADetergent compositionsLEVER BROTHERS LTD·Filed 1977·Granted May 9, 1978·8 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →