Inventor · disambiguated record
Darwin L. Ellis
Also filed as: ELLIS DARWIN · ELLIS DARWIN L
11 granted patents·294 citations·filing 1980–2003
92Inventor score
Top patents by PatentIndex Score
11 records- 0185US4599846ACapping headALUMINUM CO OF AMERICA·Filed 1984·Granted Jul 15, 1986·40 cites·7 claims
- 0283US5533608AQuick-change center star assembly for a capping machineALUMINUM CO OF AMERICA·Filed 1994·Granted Jul 9, 1996·56 cites·9 claims
- 0379US5490369ACapping head with magnetic clutchALUMINUM CO OF AMERICA·Filed 1994·Granted Feb 13, 1996·47 cites·9 claims
- 0477US4674264AScrewcapping head with a hysteresis clutchALUMINUM CO OF AMERICA·Filed 1986·Granted Jun 23, 1987·43 cites·29 claims
- 0574US6662526B2Modular turret cage for a capping machineALCOA CLOSURE SYSTEMS INT INC·Filed 2002·Granted Dec 16, 2003·14 cites·17 claims
- 0674US4304611AMethod and apparatus for cleaning container closuresALUMINUM CO OF AMERICA·Filed 1980·Granted Dec 8, 1981·27 cites·10 claims
- 0772US4341498AMethod and apparatus for blanking, folding and inserting membrane into container covercapALUMINUM CO OF AMERICA·Filed 1980·Granted Jul 27, 1982·20 cites·20 claims
- 0860US4700745AValveALUMINUM CO OF AMERICA·Filed 1985·Granted Oct 20, 1987·18 cites·9 claims
- 0960US4633646ACapping headALUMINUM CO OF AMERICA·Filed 1985·Granted Jan 6, 1987·17 cites·22 claims
- 1054US6804870B2Method of assembling a modular turret cage for a capping machineALCOA CLOSURE SYSTEMS INT INC·Filed 2003·Granted Oct 19, 2004·4 cites·3 claims
- 1143US4604853AMethod and apparatus for sealing a container with a tamper-evident closureALUMINUM CO OF AMERICA·Filed 1984·Granted Aug 12, 1986·8 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Darwin L. Ellis files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →