Inventor · disambiguated record
J. Paul Pemsler
Also filed as: LITCHFIELD JOHN K · PEMSLER J PAUL
15 granted patents·226 citations·filing 1974–1994
93Inventor score
Top patents by PatentIndex Score
15 records- 0188US5495979AMetal-bonded, carbon fiber-reinforced compositesSURMET CORP·Filed 1994·Granted Mar 5, 1996·65 cites·26 claims
- 0285US4592973ASupported liquid membrane electrochemical separatorsCASTLE TECH CORP·Filed 1985·Granted Jun 3, 1986·67 cites·11 claims
- 0370US4211753ARecovery of molybdenum values from dilute solutionsKENNECOTT COPPER CORP·Filed 1978·Granted Jul 8, 1980·13 cites·12 claims
- 0469US4083915ACobalt stripping processKENNECOTT COPPER CORP·Filed 1975·Granted Apr 11, 1978·13 cites·48 claims
- 0569US4005173ASteam stripping of ammoniacal solutions and simultaneous loading of metal values by organic acidsKENNECOTT COPPER CORP·Filed 1975·Granted Jan 25, 1977·13 cites·18 claims
- 0668US3950487ASolvent-in-pulp extraction of copper and nickel from ammoniacal leach slurriesKENNECOTT COPPER CORP·Filed 1974·Granted Apr 13, 1976·12 cites·16 claims
- 0760US5151262APyrite cathode material for a thermal batteryUS NAVY·Filed 1991·Granted Sep 29, 1992·13 cites·13 claims
- 0854US4197117ARecovery of copper by ferrous ion precipitationKENNECOTT COPPER CORP·Filed 1978·Granted Apr 8, 1980·8 cites·6 claims
- 0950US4097272AWinning nickel and cobalt with mercaptide extractants and carbon monoxide stripKENNECOTT COPPER CORP·Filed 1977·Granted Jun 27, 1978·5 cites·18 claims
- 1046US4047940ASeparation and recovery of copper metal from ammoniacal solutionsKENNECOTT COPPER CORP·Filed 1976·Granted Sep 13, 1977·5 cites·32 claims
- 1143US4148813ANickel and cobalt solvent extraction with mercaptidesKENNECOTT COPPER CORP·Filed 1977·Granted Apr 10, 1979·3 cites·6 claims
- 1243US4148816AAlkali metal mercaptide solvent extraction of cobalt, nickelKENNECOTT COPPER CORP·Filed 1977·Granted Apr 10, 1979·3 cites·6 claims
- 1343US4148815AAmino-thiol nickel and cobalt solvent extractionKENNECOTT COPPER CORP·Filed 1977·Granted Apr 10, 1979·3 cites·6 claims
- 1437US4038070ALow temperature and pressure continuous reduction of copper in acid solutionsKENNECOTT COPPER CORP·Filed 1976·Granted Jul 26, 1977·3 cites·65 claims
- 1530US4128416ANickel recovery employing carbonyl ferratesKENNECOTT COPPER CORP·Filed 1978·Granted Dec 5, 1978·0 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when J. Paul Pemsler 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 →