Inventor · disambiguated record
Earl E. Frank
Also filed as: FRANK EARL E
18 granted patents·263 citations·filing 1974–1984
94Inventor score
Files withABEX CORP18
Top patents by PatentIndex Score
18 records- 0184US4177837AAccumulatorABEX CORP·Filed 1977·Granted Dec 11, 1979·28 cites·3 claims
- 0281US4624428ASpring rail frogABEX CORP·Filed 1984·Granted Nov 25, 1986·35 cites·5 claims
- 0374US4034677ARailroad classification yardsABEX CORP·Filed 1975·Granted Jul 12, 1977·23 cites·14 claims
- 0473US4245719ARailroad lubricatorsABEX CORP·Filed 1978·Granted Jan 20, 1981·22 cites·5 claims
- 0572US4027595AHydraulic apparatusABEX CORP·Filed 1975·Granted Jun 7, 1977·16 cites·22 claims
- 0670US4428552ARailroad switch machineABEX CORP·Filed 1981·Granted Jan 31, 1984·24 cites·5 claims
- 0769US4346785ARail lubricatorABEX CORP·Filed 1980·Granted Aug 31, 1982·22 cites·14 claims
- 0865US4637578ARailroad frog having movable wing railsABEX CORP·Filed 1983·Granted Jan 20, 1987·24 cites·7 claims
- 0964US4113621AHydraulic apparatusABEX CORP·Filed 1976·Granted Sep 12, 1978·12 cites·17 claims
- 1063US4005839ARailroad turnoutsABEX CORP·Filed 1975·Granted Feb 1, 1977·21 cites·8 claims
- 1148US4098374ARailroad classification yardsABEX CORP·Filed 1977·Granted Jul 4, 1978·9 cites·18 claims
- 1246US4362282ARailroad frogsABEX CORP·Filed 1979·Granted Dec 7, 1982·10 cites·3 claims
- 1342US4251042ARailway double tongue switchABEX CORP·Filed 1979·Granted Feb 17, 1981·8 cites·21 claims
- 1434US4081162ARailroad frogsABEX CORP·Filed 1977·Granted Mar 28, 1978·5 cites·2 claims
- 1531US3964679ARailroad guard railsABEX CORP·Filed 1974·Granted Jun 22, 1976·3 cites·6 claims
- 1629US4409902ASpike driversABEX CORP·Filed 1981·Granted Oct 18, 1983·1 cites·3 claims
- 1729US4346751AFoundry moldsABEX CORP·Filed 1977·Granted Aug 31, 1982·0 cites·1 claims
- 1829US4114844ATongue switch for rail installationsABEX CORP·Filed 1978·Granted Sep 19, 1978·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →