Inventor · disambiguated record
Wilfred V. Johnson
Also filed as: JOHNSON WILFRED V
7 granted patents·120 citations·filing 1975–1989
86Inventor score
Top patents by PatentIndex Score
7 records- 0171US3991829ADelayed closing fire sprinkler headsUS FIRE CONTROL CORP·Filed 1975·Granted Nov 16, 1976·23 cites·6 claims
- 0265US4706758AAutomatic on-off sprinkler headUS FIRE CONTROL CORP·Filed 1986·Granted Nov 17, 1987·35 cites·18 claims
- 0362US4337622AEnergy storageJOHNSON WILFRED V·Filed 1980·Granted Jul 6, 1982·20 cites·11 claims
- 0454US4465141AFire sprinkler apparatusUS FIRE CONTROL CORP·Filed 1981·Granted Aug 14, 1984·17 cites·29 claims
- 0549US4938292AFlush mounted fire sprinkler headUS FIRE CONTROL CORP·Filed 1989·Granted Jul 3, 1990·17 cites·20 claims
- 0638US4359098AAutomatic on-off fire sprinkler headUS FIRE CONTROL CORP·Filed 1980·Granted Nov 16, 1982·7 cites·11 claims
- 0724US4491352APipe jointUS FIRE CONTROL CORP·Filed 1982·Granted Jan 1, 1985·1 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →