Inventor · disambiguated record
Paul H. Cardwell
Also filed as: CARDWELL PAUL H
14 granted patents·181 citations·filing 1972–1976
93Inventor score
Files withDEEPSEA VENTURES INC14
Top patents by PatentIndex Score
14 records- 0193US4042664AMethod for separating metal constituents from ocean floor nodulesDEEPSEA VENTURES INC·Filed 1975·Granted Aug 16, 1977·56 cites·24 claims
- 0279US4137291AExtraction of metal values from manganese nodulesDEEPSEA VENTURES INC·Filed 1976·Granted Jan 30, 1979·19 cites·16 claims
- 0374US3950486AMethod for separating metal constituents from ocean floor nodulesDEEPSEA VENTURES INC·Filed 1972·Granted Apr 13, 1976·15 cites·9 claims
- 0473US3992507AHalidation of manganiferous ore to obtain metal values and recovery and recycle of halide valuesDEEPSEA VENTURES INC·Filed 1974·Granted Nov 16, 1976·14 cites·39 claims
- 0561US4002717ARefining of manganese oxide oresDEEPSEA VENTURES INC·Filed 1975·Granted Jan 11, 1977·17 cites·34 claims
- 0658US4093698AProcess for the simultaneous extraction of metal values from manganese nodulesDEEPSEA VENTURES INC·Filed 1976·Granted Jun 6, 1978·15 cites·16 claims
- 0755US4146572ASimultaneous extraction of metal values other than copper from manganese nodulesDEEPSEA VENTURES INC·Filed 1976·Granted Mar 27, 1979·8 cites·22 claims
- 0851US4012483ASeparation of cobalt from nickel in ammoniacal solutions using 8-hydroxyquinolinesDEEPSEA VENTURES INC·Filed 1975·Granted Mar 15, 1977·7 cites·20 claims
- 0949US3930974ATwo stage selective leaching of metal values from ocean floor nodule oreDEEPSEA VENTURES INC·Filed 1973·Granted Jan 6, 1976·5 cites·25 claims
- 1045US3951647AReduction method for producing manganese metalDEEPSEA VENTURES INC·Filed 1972·Granted Apr 20, 1976·6 cites·15 claims
- 1144US3990891AHalidation of nonferrous metal values in manganese oxide oresDEEPSEA VENTURES INC·Filed 1974·Granted Nov 9, 1976·7 cites·21 claims
- 1242US3940470ADirect recovery of metals from fluid anhydrous metal halides derived from marine nodule halidationDEEPSEA VENTURES INC·Filed 1972·Granted Feb 24, 1976·7 cites·16 claims
- 1333US3950162AReduction to manganese metal using metal transporting compoundsDEEPSEA VENTURES INC·Filed 1974·Granted Apr 13, 1976·2 cites·51 claims
- 1432US3984520ASeparation of nickel and cobalt and manganese in solutionDEEPSEA VENTURES INC·Filed 1974·Granted Oct 5, 1976·3 cites·21 claims
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