F24H3/0452 - CPC Classification Index

ClassID:

158634 ⎘

F24H3/0452 - CPC Classification

Classification description:

Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between; For vehicles Frame constructions

Sub-classes:

F24H3/0458 » {One-piece frames} 12
F24H3/0464 » {Two-piece frames, e.g. two-shell frames, also including frames as a central body with two covers} 35
F24H3/047 » {Multiple-piece frames assembled on their four or more edges} 8
F24H3/0476 » {Means for putting the electric heaters in the frame under strain, e.g. with springs} 28
F24H3/0482 » {Frames with integrated fan} 8

Recent Application in this class:

20240053057

PTC Heating Device and Method for Manufacturing the Same

20230142145

ELECTRICAL HEATING DEVICE COMPRISING EARTHING MEANS

20220346194

ELECTRONIC INTERFACE HOUSING FOR CONTROLLING AN ELECTRICAL HEATING DEVICE

20220046765

PROCESS FOR MANUFACTURING A PTC HEATING ELEMENT AND PTC HEATING ELEMENT

20200309409

Electrical heating device comprising earthing means

20200307355

ELECTRIC HEATING DEVICE WITH GROUNDING MEANS

20180120040

Heat exchanger comprising a protective device

20170182982

JET HEATERS FOR A MOTORIZED VEHICLE

20160341082

Blow-by heater

20140355965

Vehicle heater

20140008450

Heater for vehicles

20120085742

Electrical heating device

20090139983

Electric heating apparatus, especially for motor vehicles

20090121824

Device having at least one PTC resistor

20080138052

Automotive water heater

20080135536

Electric heating system, in particular for use as an auxiliary heating system for automobiles