Inventor · disambiguated record
John P. Butler
Also filed as: BUTLER JOHN P · HAMMERLI MARTIN
12 granted patents·422 citations·filing 1973–1989
93Inventor score
Top patents by PatentIndex Score
12 records- 0193US4852734ACigarette packageREYNOLDS TOBACCO CO R·Filed 1988·Granted Aug 1, 1989·122 cites·10 claims
- 0290US4865198AOverwrapped package with tamper indicating meansREYNOLDS TOBACCO CO R·Filed 1988·Granted Sep 12, 1989·46 cites·5 claims
- 0388US4471014AOrdered bed packing moduleCA ATOMIC ENERGY LTD·Filed 1982·Granted Sep 11, 1984·55 cites·7 claims
- 0482US3974048AApparatus and method of producing heavy water involving catalytic-electrolytic exchange processesCA ATOMIC ENERGY LTD·Filed 1975·Granted Aug 10, 1976·27 cites·10 claims
- 0578US4025560AProcess for the exchange of hydrogen isotopes between streams of gaseous hydrogen and liquid waterCA ATOMIC ENERGY LTD·Filed 1973·Granted May 24, 1977·30 cites·8 claims
- 0677US4126667AProcess for the exchange of hydrogen isotopes using a catalyst packed bed assemblyCA ATOMIC ENERGY LTD·Filed 1976·Granted Nov 21, 1978·29 cites·10 claims
- 0775US4190515AApparatus for removal and recovery of tritium from light and heavy waterCA ATOMIC ENERGY LTD·Filed 1978·Granted Feb 26, 1980·31 cites·5 claims
- 0870US4143123AProcess for the exchange of hydrogen isotopes between streams of gaseous hydrogen and liquid waterCA ATOMIC ENERGY LTD·Filed 1978·Granted Mar 6, 1979·18 cites·6 claims
- 0967US4911302AMethod for imprinting overwrapped packagesREYNOLDS TOBACCO CO R·Filed 1989·Granted Mar 27, 1990·35 cites·7 claims
- 1064US4225402AMethod for heavy-water extraction from non-electrolytic hydrogen streams using a combined electrolysis and catalytic exchange systemNORANDA MINES LTD·Filed 1979·Granted Sep 30, 1980·12 cites·7 claims
- 1151US4228034ACatalytically active mass for the exchange of hydrogen isotopes between streams of gaseous hydrogen and liquid waterCA ATOMIC ENERGY LTD·Filed 1978·Granted Oct 14, 1980·10 cites·6 claims
- 1248US4191626AApparatus for finishing and upgrading of heavy waterCA ATOMIC ENERGY LTD·Filed 1978·Granted Mar 4, 1980·7 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →