Inventor · disambiguated record
Geoffrey Marshall
Also filed as: MARSHALL GEOFFREY · MARSHALL GEOFFREY B
5 granted patents·55 citations·filing 1971–1980
77Inventor score
Top patents by PatentIndex Score
5 records- 0178US4265426AButterfly valveSOLENT & PRATT ENG LTD·Filed 1979·Granted May 5, 1981·40 cites·3 claims
- 0256US3947538AProcess for uniformily drawing a tow of filamentsICI LTD·Filed 1971·Granted Mar 30, 1976·9 cites·12 claims
- 0326US4404287AMethod and apparatus for determining chemical speciesCENTRAL ELECTR GENERAT BOARD·Filed 1980·Granted Sep 13, 1983·2 cites·8 claims
- 0426US4359441APolymeric filaments and process for forming such materialICI LTD·Filed 1979·Granted Nov 16, 1982·2 cites·11 claims
- 0523US3943138AProcess for uniformly drawing polyethylene terephthalate filaments to form high shrinkage fibersIMP CHEMICL IND LTD·Filed 1972·Granted Mar 9, 1976·2 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →