Inventor · disambiguated record
John E. Callan
Also filed as: CALLAN JOHN E
13 granted patents·486 citations·filing 1975–1988
94Inventor score
Top patents by PatentIndex Score
13 records- 0196US4504927AProgrammable controller with expandable I/O interface circuitryALLEN BRADLEY CO·Filed 1982·Granted Mar 12, 1985·110 cites·3 claims
- 0296US4065034AGun-type dispenser for heat softenable adhesive or sealant compoundsCITIES SERVICE CO·Filed 1976·Granted Dec 27, 1977·81 cites·1 claims
- 0385US3976530AMethod for producing a two component polymeric tapeCITIES SERVICE CO·Filed 1975·Granted Aug 24, 1976·45 cites·1 claims
- 0482US4092282AHot melt sealant compositionCITIES SERVICE CO·Filed 1977·Granted May 30, 1978·31 cites·4 claims
- 0580US5038317AProgrammable controller module rack with a relative rack slot addressing mechanismALLEN BRADLEY CO·Filed 1988·Granted Aug 6, 1991·84 cites·15 claims
- 0678US4435706ASwitch networkALLEN BRADLEY CO·Filed 1981·Granted Mar 6, 1984·29 cites·3 claims
- 0778US4418374ALatch relay drive circuitALLEN BRADLEY CO·Filed 1982·Granted Nov 29, 1983·35 cites·7 claims
- 0877US4079313ADigital watts transducerALLEN BRADLEY CO·Filed 1977·Granted Mar 14, 1978·25 cites·5 claims
- 0962US4112020AHot melt butyl sealant intermediateCITIES SERVICE CO·Filed 1977·Granted Sep 5, 1978·15 cites·12 claims
- 1059US4507571AOptically coupled input circuit for digital controlALLEN BRADLEY CO·Filed 1982·Granted Mar 26, 1985·11 cites·3 claims
- 1157US4127545AHot melt crosslinked butyl sealantCITIES SERVICE CO·Filed 1977·Granted Nov 28, 1978·15 cites·3 claims
- 1236US4039855ASolid state relayALLEN BRADLEY CO·Filed 1976·Granted Aug 2, 1977·3 cites·5 claims
- 1332US4288744ASumming watt-hour transducerALLEN BRADLEY CO·Filed 1979·Granted Sep 8, 1981·2 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when John E. Callan 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 →