Inventor · disambiguated record
Malcolm R. Barfield
Also filed as: BARFIELD MALCOLM R
5 granted patents·113 citations·filing 1986–1995
83Inventor score
Top patents by PatentIndex Score
5 records- 0171US4727242AElectrofusion couplerGLYNWED TUBES & FITTINGS·Filed 1986·Granted Feb 23, 1988·38 cites·2 claims
- 0266US4956138AMethod of manufacturing an electrofusion couplerGLYNWED TUBES & FITTINGS·Filed 1988·Granted Sep 11, 1990·27 cites·10 claims
- 0357US5697143AMethod of manufacturing an electrofusion couplerGLYNWED PLASTICS·Filed 1995·Granted Dec 16, 1997·22 cites·15 claims
- 0449US5478118AThermo-weldable coupling for tubes of plastics material, as well as a method for its manufactureINNOGE SAM·Filed 1993·Granted Dec 26, 1995·21 cites·14 claims
- 0533US5096632AMethod of manufacturing an electrofusion couplerGLYNWED TUBES & FITTINGS·Filed 1990·Granted Mar 17, 1992·5 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →