Inventor · disambiguated record
Ernest W. Schumacher
Also filed as: SCHUMACHER ERNEST W
13 granted patents·451 citations·filing 1974–1991
94Inventor score
Top patents by PatentIndex Score
13 records- 0196US4187695AAir-conditioning system having recirculating and flow-control meansVIRGINIA CHEMICALS INC·Filed 1978·Granted Feb 12, 1980·101 cites·12 claims
- 0289US3955375ACombination liquid trapping suction accumulator and evaporator pressure regulator device including a capillary cartridge and heat exchangerVIRGINIA CHEMICALS INC·Filed 1974·Granted May 11, 1976·46 cites·3 claims
- 0385US4354362AIntegral suction line accumulator/filter-drierVIRGINIA CHEMICALS INC·Filed 1980·Granted Oct 19, 1982·59 cites·34 claims
- 0484US4177145ATwo-way filter-drier for heat pump systemsVIRGINIA CHEMICALS INC·Filed 1978·Granted Dec 4, 1979·41 cites·21 claims
- 0583US4364756ARefrigerant suction line filter/filter-drier and method for the construction thereofVIRGINIA CHEMICALS INC·Filed 1981·Granted Dec 21, 1982·48 cites·17 claims
- 0678US5161385ARefrigerant recovery and recycle system with flexible storage bagSCHUMACHER ERNEST W·Filed 1991·Granted Nov 10, 1992·51 cites·16 claims
- 0770US4140436APressure control device for fluid systemsVIRGINIA CHEMICALS INC·Filed 1977·Granted Feb 20, 1979·22 cites·29 claims
- 0861US4095742ABalanced single port thermostatic expansion valveVIRGINIA CHEMICALS INC·Filed 1976·Granted Jun 20, 1978·20 cites·19 claims
- 0953US3942332ACombination liquid trapping suction accumulator and evaporator pressure regulator deviceVIRGINIA CHEMICALS INC·Filed 1974·Granted Mar 9, 1976·11 cites·4 claims
- 1050US4959973AThermostatic expansion valveFUJI KOKI MFG·Filed 1989·Granted Oct 2, 1990·18 cites·6 claims
- 1150US3939669ACombination liquid trapping suction accumulator and evaporator pressure regulator device including a drier and thermostatic expansion valveVIRGINIA CHEMICALS INC·Filed 1974·Granted Feb 24, 1976·10 cites·2 claims
- 1250US3938351ACombination liquid trapping suction accumulator and evaporator pressure regulator device including a cartridge type expansion valveVIRGINIA CHEMICALS INC·Filed 1974·Granted Feb 17, 1976·10 cites·3 claims
- 1345US4310338AReplaceable float oil separatorVIRGINIA CHEMICALS INC·Filed 1980·Granted Jan 12, 1982·14 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →