Inventor · disambiguated record
John E. Kiefer
Also filed as: KIEFER JOHN E
4 granted patents·91 citations·filing 1979–1980
78Inventor score
Files withEASTMAN KODAK CO4
Top patents by PatentIndex Score
4 records- 0192US4280925AFilter for sorption of heavy metalsEASTMAN KODAK CO·Filed 1980·Granted Jul 28, 1981·55 cites·22 claims
- 0278US4361493AHydrophilic substrate for sorbing heavy metalsEASTMAN KODAK CO·Filed 1980·Granted Nov 30, 1982·21 cites·14 claims
- 0347US4221226AHot melt adhesive for bonding filter tow, and filter elements bonded therebyEASTMAN KODAK CO·Filed 1979·Granted Sep 9, 1980·12 cites·8 claims
- 0430US4309186AHydrophilic film for detection of heavy metalsEASTMAN KODAK CO·Filed 1980·Granted Jan 5, 1982·3 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →