Inventor · disambiguated record
Francis X. Kay
Also filed as: KAY FRANCIS · KAY FRANCIS X · KAY FRANCIS XAVIER
15 granted patents·1 pending application·195 citations·filing 1975–2010
93Inventor score
Top patents by PatentIndex Score
16 records- 0188US6729331B2Pressure regulatorFiled 2002·Granted May 4, 2004·52 cites·19 claims
- 0275US4302262AWeather sealing strips for doors and windowsKAY FRANCIS X·Filed 1979·Granted Nov 24, 1981·25 cites·33 claims
- 0364US5275153ADemand valve having reaction load means and an insertable trigger elementFXK PATENTS LTD·Filed 1991·Granted Jan 4, 1994·25 cites·10 claims
- 0459US4210310AFluid control valvesKAY FRANCIS X·Filed 1978·Granted Jul 1, 1980·14 cites·8 claims
- 0555US4183373AFluid pressure-operated systemsKAY FRANCIS X·Filed 1978·Granted Jan 15, 1980·12 cites·13 claims
- 0654US4949746AFluid control valvesFXK PATENTS LTD·Filed 1989·Granted Aug 21, 1990·14 cites·9 claims
- 0748US4234162AValves for the control of pressure fluidKAY FRANCIS X·Filed 1978·Granted Nov 18, 1980·11 cites·7 claims
- 0847USD378609SNose blockerKAY FRANCIS X·Filed 1996·Granted Mar 25, 1997·5 cites·1 claims
- 0944US5645046ABreathing equipmentFXK PATENTS LTD·Filed 1995·Granted Jul 8, 1997·20 cites·10 claims
- 1043US9371914B2Pressurized fluid cylindersHOLROYD NIGEL JOHN HENRY·Filed 2005·Granted Jun 21, 2016·0 cites·17 claims
- 1142US2012153617A1Connection assemblyKAY FRANCIS·Filed 2010·Application pending·0 cites
- 1238US4062569APipe jointsKAY FRANCIS XAVIER·Filed 1976·Granted Dec 13, 1977·9 cites·10 claims
- 1336US5027977AAutomatic inflation valveKAY FRANCIS X·Filed 1989·Granted Jul 2, 1991·5 cites·16 claims
- 1435US7604218B2ValvesF X K PATENT·Filed 2003·Granted Oct 20, 2009·1 cites·8 claims
- 1531US4054059APressure gaugeKAY FRANCIS XAVIER·Filed 1975·Granted Oct 18, 1977·2 cites·3 claims
- 1630USD372528SNose blockerKAY FRANCIS X·Filed 1994·Granted Aug 6, 1996·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →