Inventor · disambiguated record
Charles Greenfield
Also filed as: GREENFIELD CHARLES
11 granted patents·611 citations·filing 1971–1990
93Inventor score
Files withHANOVER RES CORP11
Top patents by PatentIndex Score
11 records- 0195US3947327AProcess and apparatus for recovering clean water from aqueous wastesHANOVER RES CORP·Filed 1971·Granted Mar 30, 1976·60 cites·15 claims
- 0294US3950230AProcess and apparatus for recovering residual oil from solids dehydrated in an oil medium and grossly deoiledHANOVER RES CORP·Filed 1974·Granted Apr 13, 1976·78 cites·18 claims
- 0393US4270974AProcess and apparatus for recovering clean water and solids from aqueous solidsHANOVER RES CORP·Filed 1976·Granted Jun 2, 1981·77 cites·24 claims
- 0493US4013516AApparatus and process for the pyrolysis of waste solids concentratesHANOVER RES CORP·Filed 1975·Granted Mar 22, 1977·87 cites·26 claims
- 0588US4276115AProcess and apparatus for dehydrating waste solids concentratesHANOVER RES CORP·Filed 1979·Granted Jun 30, 1981·49 cites·14 claims
- 0687US4518458AProcess for removing light oil from solidsHANOVER RES CORP·Filed 1982·Granted May 21, 1985·55 cites·18 claims
- 0787US4007094AProcess and apparatus for recovering clean water from aqueous wastesHANOVER RES CORP·Filed 1975·Granted Feb 8, 1977·54 cites·3 claims
- 0882US4608120AApparatus for removing light oil from solidsHANOVER RES CORP·Filed 1984·Granted Aug 26, 1986·43 cites·8 claims
- 0980US5076895AProcess and apparatus for recovering clean water and solids from aqueous solids using mechanical vapor recompression evaporatorsHANOVER RES CORP·Filed 1990·Granted Dec 31, 1991·51 cites·15 claims
- 1076US4336101AProcess and apparatus for recovering clean water and solids from aqueous solidsHANOVER RES CORP·Filed 1981·Granted Jun 22, 1982·36 cites·2 claims
- 1167US4289578AProcess and apparatus for recovering clean water and solids from aqueous solidsHANOVER RES CORP·Filed 1979·Granted Sep 15, 1981·21 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →