Inventor · disambiguated record
John D. Mcgugan
Also filed as: MCGUGAN JOHN D · MCGUGAN JOHN DRUMMOND
7 granted patents·313 citations·filing 1974–1988
88Inventor score
Top patents by PatentIndex Score
7 records- 0190US4902045AConnectorsHUNTING OILFIELD SERVICES LTD·Filed 1987·Granted Feb 20, 1990·81 cites·29 claims
- 0289US4629221APipe connectorsHUNTING OILFIELD SERVICES LTD·Filed 1984·Granted Dec 16, 1986·107 cites·39 claims
- 0389US4298221APipe connectorsHUNTING OILFIELD SERVICES·Filed 1978·Granted Nov 3, 1981·55 cites·12 claims
- 0473US4460201APipe connectorsHUNTING OILFIELD SERVICES LTD·Filed 1983·Granted Jul 17, 1984·43 cites·25 claims
- 0552US4547003APipe connectorsHUNTING OILFIELD SERVICES·Filed 1983·Granted Oct 15, 1985·19 cites·15 claims
- 0632US4892280AClamping devices for use with elongate membersHUNTING OILFIELD SERVICES LTD·Filed 1988·Granted Jan 9, 1990·6 cites·19 claims
- 0724US3950125ABurnersNORALCO OVERSEAS INC·Filed 1974·Granted Apr 13, 1976·2 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →