3L001
|
Solar systems
|
3L004
|
Flaky ice manufacturing
|
3L005
|
Air conditioner defrosting and operation control
|
3L006
|
Gas fuel stoves or cooking ranges
|
3L011
|
Air conditioning for vehiclesAutomobile air conditioning systems
|
3L012
|
Automobile heating system, ventilation system, and other air processing systems
|
3L013
|
Automobile cooling systems
|
3L014
|
Cooling media transportation through heat pipes or brine
|
3L015
|
Cooling media circulation in refrigerators
|
3L016
|
Cooling media circulation in showcases and automatic vending machines
|
3L017
|
Refrigerator cooling units
|
3L018
|
General construction of refrigerators
|
3L019
|
Arrangement of compartments annexed to cooling rooms
|
3L020
|
Filling goods to be cooled and lighting devices
|
3L021
|
Control of steam boilers and waste-gas boilers
|
3L022
|
Heat pumps and solar and waste heat utilization water heaters
|
3L023
|
Bath boilers
|
3L024
|
Control for baths
|
3L025
|
Water heaters with a hot-water storage means
|
3L026
|
Water tank-type heater control
|
3L027
|
Water heaters for central heating etc.
|
3L028
|
Direct air heating by heater or combustion gas
|
3L029
|
Heating of air by heat echangers
|
3L030
|
Arrangement or installation of control or safety devices
|
3L031
|
Steam generation in general
|
3L032
|
Kinds of steam boilers
|
3L033
|
Details of steam boilers
|
3L034
|
Instantaneous water boilers, portable hot-water supply apparatuses, and control of portable hot-water supply apparatuses
|
3L035
|
Water and air heaters coupling and regenerative heating devices
|
3L036
|
Details of fluid heaters
|
3L037
|
Housings, intake/discharge, and installation of fluid heaters
|
3L038
|
Arrangement and installation of drainage and heating elements of liquid heating devices
|
3L039
|
Heat generation or utilization not through chemical reaction or combustion
|
3L040
|
Solar heat collector devices
|
3L041
|
Details of solar heat collector devices
|
3L042
|
Accessory members of solar heat collector devices
|
3L043
|
Solar heat collector systems
|
3L044
|
Devices not associated with refrigerating machinery
|
3L045
|
Devices that are associated with refrigeration equipment
|
3L046
|
Defrosting systems
|
3L047
|
Defrosting
|
3L048
|
Removal of water from condensation and defrosting
|
3L049
|
Air-conditioning room units, and self-contained units in general
|
3L050
|
Devices for blowing cold air, devices for blowing warm air, and means for preventing water condensation in air conditioning units
|
3L051
|
Air filters, heat-exchange apparatuses, and housings of air-conditioning units
|
3L052
|
Unit installation, ventilation and dehumilidifier equipment
|
3L053
|
Central air conditioning
|
3L054
|
Other air-conditioning systems
|
3L055
|
Air humidification
|
3L056
|
Ventilation (1)
|
3L057
|
Ventilation 2
|
3L058
|
Ventilation (3)
|
3L059
|
Ventilation 4
|
3L060
|
Air conditioning controllers (1)
|
3L061
|
Air-conditioning control devices
|
3L063
|
Details of general heat exchange or transmission devices 1
|
3L064
|
Details of general heat exchange or transmission devices 2
|
3L065
|
Details of heat-exchange and heat-transfer in general (3)
|
3L066
|
Details of general heat exchange or transmission devices 4
|
3L067
|
Details of general heat exchange or transmission devices 5
|
3L070
|
Steam or hot-water central heating systems
|
3L071
|
Central heating systems that use hot air or heat accumulated in storage masses
|
3L072
|
Central heating systems using electricity or heat accumulation
|
3L073
|
Domestic hot-water supply systems and details of heating systems
|
3L074
|
Water preheating and supply for steam generation
|
3L075
|
Heating of steam
|
3L080
|
Duct arrangements
|
3L081
|
Air-flow control members
|
3L082
|
Solid fuel household stoves or cooking ranges
|
3L084
|
Solid fuel stoves or cooking ranges; control
|
3L085
|
Liquid fuel stoves or cooking ranges
|
3L086
|
Electric ovens
|
3L087
|
Electric stoves and ranges
|
3L088
|
Stove or cooking range details 1
|
3L089
|
Stove or cooking range details 2
|
3L090
|
Compression refrigerating machines through irreversible cycles
|
3L091
|
Compression refrigerating machines using low-boiling cooling media
|
3L092
|
Compression-type refrigeration machines with reversible cycles
|
3L093
|
SORPTION TYPE REFRIGERATION MACHINES
|
3L094
|
Other refrigerating machines
|
3L095
|
Compressors, evaporator, condensers and liquid circulators
|
3L096
|
Boilers, analyzers, fractionators, absorbers and absorbers
|
3L097
|
Gas-liquid separating devices, defrosters, control or safety devices
|
3L100
|
Steam or vapor condensers
|
3L101
|
Heat exchangers through direct contact
|
3L102
|
Refrigerator housings (i.e., walls)
|
3L103
|
HEAT-EXCHANGE DEVICES WITH RADIATORS AND CONDUIT ASSEMBLIES
|
3L106
|
Heat exchangers using intermediate heat conductive media
|
3L107
|
Regenerative heat exchangers; heat accumulation plants and others
|
3L108
|
Heat exchanger pipe cleaning
|
3L110
|
PRODUCTION, WORKING, STORING, OR DISTRIBUTION OF ICE
|
3L113
|
Drying of solid materials
|
3L122
|
HEAT-PUMP TYPE AND STORAGE WATER HEATERS
|
3L130
|
|
3L208
|
|
3L211
|
AIR-CONDITIONING FOR VEHICLES
|
3L260
|
AIR CONDITIONING CONTROL DEVICE
|
3L345
|
COLD AIR CIRCULATING SYSTEMS AND CONSTRUCTIONAL DETAILS IN REFRIGERATORS
|