IPC 6 English version  H05-H05B00680
    H05B 7/00 - H05B 43/02 >> 
SECTION H– ELECTRICITY

H 05

ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

H 05 B

ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR (apparatus for special application, see the relevant places, e.g. A 47 J, B 21 J, B 21 K, C 21, C 22, C 23, F 21, F 24, F 27)

Note

Attention is drawn to Note III following the Contents of Section of section H. [3]


Heating

1/

00

Details of electric heating devices

1/

02

Automatic switching arrangements specially adapted to heating apparatus (control of temperature in general G 05 D 23/00; thermally-actuated switches H 01 H 37/00)

3/

00

Ohmic-resistance heating

3/

02

Details

3/

03

. . 

Electrodes (electrothermic treatment of ores C 22 B 4/00) [2]

3/

04

. . 

Waterproof or air-tight seals for heaters

3/

06

. . 

Heater elements structurally combined with coupling elements or with holders

3/

08

. . . 

having electric connections specially adapted for high temperatures

3/

10

Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor (compositions per se, see the relevant subclasses)

3/

12

. . 

characterised by the composition or nature of the conductive material

3/

14

. . . 

the material being non-metallic

3/

16

. . 

the conductor being mounted on an insulating base

3/

18

. . 

the conductor being embedded in an insulating material

3/

20

Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater (H 05 B 3/62, H 05 B 3/68, H 05 B 3/78, H 05 B 3/84 take precedence) [5]

3/

22

. . 

non-flexible

3/

24

. . . 

heating conductor being self-supporting

3/

26

. . . 

heating conductor mounted on insulating base

3/

28

. . . 

heating conductor embedded in insulating material

3/

30

. . . . 

on or between metallic plates

3/

32

. . . 

heating conductor mounted on insulators on a metallic frame

3/

34

. . 

flexible, e.g. heating nets or webs

3/

36

. . . 

heating conductor embedded in insulating material

3/

38

. . . . 

Powder conductors

3/

40

Heating elements having the shape of rods or tubes (H 05 B 3/62, H 05 B 3/68, H 05 B 3/78 take precedence)

3/

42

. . 

non-flexible

3/

44

. . . 

heating conductor arranged within rods or tubes of insulating material

3/

46

. . . 

heating conductor mounted on insulating base

3/

48

. . . 

heating conductor embedded in insulating material

3/

50

. . . . 

heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins

3/

52

. . . . 

Apparatus or processes for filling or compressing insulating material in tubes

3/

54

. . 

flexible

3/

56

. . . 

Heating cables

3/

58

. . . 

Heating hoses; Heating collars

3/

60

Heating arrangements wherein the heating current flows through granular, powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating (H 05 B 3/38 takes precedence)

3/

62

Heating elements specially adapted for furnaces (H 05 B 3/60 takes precedence; arrangements of such elements in furnaces F 27, e.g. F 27 D 11/00)

3/

64

. . 

using ribbon, rod, or wire heater

3/

66

. . 

Supports or mountings for heaters on or in the wall or roof

3/

68

Heating arrangements specially adapted for cooking plates or analogous hot-plates

Note

Group H 05 B 3/76 takes precedence over groups H 05 B 3/70 to H 05 B 3/74. [2]

3/

70

. . 

Plates of cast metal

3/

72

. . 

Plates of sheet metal

3/

74

. . 

Non-metallic plates

3/

76

. . 

Plates with spirally-wound heating tubes

3/

78

Heating arrangements specially adapted for immersion heating

3/

80

. . 

Portable immersion heaters

3/

82

. . 

Fixedly-mounted immersion heaters

3/

84

Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields [5]

3/

86

. . 

the heating conductors being embedded in the transparent or reflecting material [5]

6/

00

Heating by electric, magnetic, or electromagnetic fields (for therapeutic purposes A 61 N 5/00; joining of preformed parts by heating of plastics or substances in a plastic state B 29 C 65/02) [3]

6/

02

Induction heating [3]

6/

04

. . 

Sources of current [3]

6/

06

. . 

Control, e.g. of temperature, of power [3]

6/

08

. . . 

using compensating or balancing arrangements [3]

6/

10

. . 

Induction heating apparatus, other than furnaces, for specific applications [3]

6/

12

. . . 

Cooking devices [3]

6/

14

. . . 

Tools, e.g. nozzles, rollers, calenders [3]

6/

16

. . 

Furnaces having endless cores (H 05 B 6/34 takes precedence) [3]

6/

18

. . . 

having melting basin [3]

6/

20

. . . 

having melting channel only [3]

6/

22

. . 

Furnaces without an endless core (H 05 B 6/34 takes precedence) [3]

6/

24

. . . 

Crucible furnaces (H 05 B 6/30 takes precedence) [3]

6/

26

. . . . 

using vacuum or particular gas atmosphere [3]

6/

28

. . . . 

Protective systems [3]

6/

30

. . . 

Arrangements for remelting or zone melting [3]

6/

32

. . . 

Arrangements for simultaneous levitation and heating [3]

6/

34

. . 

Arrangements for circulation of melts [3]

6/

36

. . 

Coil arrangements [3]

6/

38

. . . 

specially adapted for fitting into hollow spaces of workpieces [3]

6/

40

. . . 

Establishing desired heat distribution, e.g. to heat particular parts of workpieces [3]

6/

42

. . . 

Cooling of coils [3]

6/

44

. . . 

having more than one coil or coil segment [3]

6/

46

Dielectric heating (H 05 B 6/64 take precedence) [3]

6/

48

. . 

Circuits [3]

6/

50

. . . 

for monitoring or control [3]

6/

52

. . 

Feed lines [3]

6/

54

. . 

Electrodes [3]

6/

56

. . . 

Rolling electrodes [3]

6/

58

. . . 

"sewing machine" type [3]

6/

60

. . 

Arrangements for continuous movement of material [3]

6/

62

. . 

Apparatus for specific applications [3]

6/

64

Heating using microwaves [3]

6/

66

. . 

Circuits [3]

6/

68

. . . 

for monitoring or control [3]

6/

70

. . 

Feed lines [3]

6/

72

. . 

Radiators or aerials [3]

6/

74

. . 

Mode transformers or mode stirrers [3]

6/

76

. . 

Prevention of microwave leakage, e.g. door sealings [3]

6/

78

. . 

Arrangements for continuous movement of material [3]

6/

80

. . 

Apparatus for specific applications (stoves or ranges F 24 C 7/02) [3]
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