Inventor · disambiguated record
John Graham Allen
Also filed as: ALLEN JOHN G · ALLEN JOHN GRAHAM
9 granted patents·146 citations·filing 1974–1997
88Inventor score
Top patents by PatentIndex Score
9 records- 0190US5974805AHeat shielding for a turbine combustorROLLS ROYCE PLC·Filed 1997·Granted Nov 2, 1999·69 cites·7 claims
- 0280US4018508AElectrochromic device and medium thereforICI LTD·Filed 1975·Granted Apr 19, 1977·32 cites·17 claims
- 0376US4109068ARadiation sensitive vinyl hydrophilic copolymersICI LTD·Filed 1976·Granted Aug 22, 1978·12 cites·11 claims
- 0468US5741748ACatalyst production for use in a process for fluorination of hydrocarbonsICI PLC·Filed 1993·Granted Apr 21, 1998·13 cites·18 claims
- 0548US3930717AVariable light transmission device containing ferrous ammonium sulfate as an auxiliary redox systemICI LTD·Filed 1974·Granted Jan 6, 1976·7 cites·7 claims
- 0637US5443741ATreatment of dilute acidic solutionsICI PLC·Filed 1994·Granted Aug 22, 1995·9 cites·8 claims
- 0732US4024150AMethod of preparing an N,N'-bis(p-cyanophenyl)-4,4'-bipyridylium saltICI LTD·Filed 1974·Granted May 17, 1977·0 cites·5 claims
- 0830US7334389B1Afterburner igniterROLLS ROYCE PLC·Filed 1997·Granted Feb 26, 2008·2 cites·6 claims
- 0923US5800795AHydrogen fluoride recovery processICI PLC·Filed 1997·Granted Sep 1, 1998·2 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →