Inventor
SCHUMACHER ERNEST W
13 patents
⚠️ This page may combine multiple inventors who share the name “SCHUMACHER ERNEST W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VIRGINIA CHEMICALS INC
11 patentsUS4187695AFeb 12, 1980
Air-conditioning system having recirculating and flow-control means
VIRGINIA CHEMICALS INC101 citations95
US4354362AOct 19, 1982
Integral suction line accumulator/filter-drier
VIRGINIA CHEMICALS INC59 citations92
US4177145ADec 4, 1979
Two-way filter-drier for heat pump systems
VIRGINIA CHEMICALS INC41 citations92
US3955375AMay 11, 1976
Combination liquid trapping suction accumulator and evaporator pressure regulator device including a capillary cartridge and heat exchanger
VIRGINIA CHEMICALS INC46 citations92
US4364756ADec 21, 1982
Refrigerant suction line filter/filter-drier and method for the construction thereof
VIRGINIA CHEMICALS INC48 citations91
US4095742AJun 20, 1978
Balanced single port thermostatic expansion valve
VIRGINIA CHEMICALS INC20 citations81
US4140436AFeb 20, 1979
Pressure control device for fluid systems
VIRGINIA CHEMICALS INC22 citations80
US3942332AMar 9, 1976
Combination liquid trapping suction accumulator and evaporator pressure regulator device
VIRGINIA CHEMICALS INC11 citations73
US3939669AFeb 24, 1976
Combination liquid trapping suction accumulator and evaporator pressure regulator device including a drier and thermostatic expansion valve
VIRGINIA CHEMICALS INC10 citations73
US3938351AFeb 17, 1976
Combination liquid trapping suction accumulator and evaporator pressure regulator device including a cartridge type expansion valve
VIRGINIA CHEMICALS INC10 citations73
US4310338AJan 12, 1982
Replaceable float oil separator
VIRGINIA CHEMICALS INC14 citations70