Inventor · disambiguated record
Robert E. Heffner
Also filed as: HEFFNER ROBERT E
6 granted patents·281 citations·filing 1974–1986
87Inventor score
Files withALUMINUM CO OF AMERICA6
Top patents by PatentIndex Score
6 records- 0197US4685849AMethod for making an easy opening container end closureALUMINUM CO OF AMERICA·Filed 1986·Granted Aug 11, 1987·87 cites·12 claims
- 0291US3957005AMethod for making a metal can endALUMINUM CO OF AMERICA·Filed 1974·Granted May 18, 1976·59 cites·22 claims
- 0379US4648528AEasy opening container end closureALUMINUM CO OF AMERICA·Filed 1985·Granted Mar 10, 1987·57 cites·21 claims
- 0476US4400251AMethod and apparatus for simultaneously electrocoating the interior and exterior of a metal containerALUMINUM CO OF AMERICA·Filed 1981·Granted Aug 23, 1983·20 cites·8 claims
- 0573US4580692AContainer sealing capALUMINUM CO OF AMERICA·Filed 1985·Granted Apr 8, 1986·46 cites·34 claims
- 0662US4544475AElectrocoating apparatusALUMINUM CO OF AMERICA·Filed 1984·Granted Oct 1, 1985·12 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →