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A
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SECTION A — HUMAN NECESSITIES
B
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SECTION B — PERFORMING OPERATIONSTRANSPORTING
C
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SECTION C — CHEMISTRYMETALLURGY
D
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SECTION D — TEXTILESPAPER
E
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SECTION E — FIXED CONSTRUCTIONS
F
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SECTION F — MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
G
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SECTION G — PHYSICS
H
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SECTION H — ELECTRICITY
H01
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BASIC ELECTRIC ELEMENTS
H02
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GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
H03
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BASIC ELECTRONIC CIRCUITRY
H04
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ELECTRIC COMMUNICATION TECHNIQUE
H05
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ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
H05B
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ELECTRIC HEATINGELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
H05B 1/00
Heating
H05B 1/00
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Details of electric heating devices
H05B 3/00
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Ohmic-resistance heating
H05B 6/00
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Heating by electric, magnetic, or electromagnetic fields (radiation therapy using microwaves A61N 5/02) [3]
H05B 7/00
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Heating by electric discharge (plasma torches H05H 1/26)
H05B 7/02
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Details
H05B 7/06
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. . Electrodes
H05B 7/07
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. . . designed to melt in use [2]
H05B 7/08
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. . . non-consumable [2]
H05B 7/085
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. . . . mainly consisting of carbon [2]
H05B 7/09
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. . . . . Self-baking electrodes [2]
H05B 7/10
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. . Mountings, supports, terminals, or arrangements for feeding or guiding electrodes [2]
H05B 7/101
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. . . Mountings, supports, or terminals at head of electrode, i.e. at the end remote from the arc [2]
H05B 7/102
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. . . . specially adapted for consumable electrodes [2]
H05B 7/103
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. . . Mountings, supports, or terminals with jaws (H05B 7/101 takes precedence) [2]
H05B 7/105
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. . . . comprising more than two jaws equally spaced along circumference, e.g. ring holders [2]
H05B 7/107
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. . . specially adapted for self-baking electrodes [2]
H05B 7/109
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. . . Feeding arrangements (H05B 7/107 takes precedence; where the electrode movement is a part of a closed loop for automatic control of power H05B 7/148) [2]
H05B 7/11
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. . Arrangements for conducting current to the electrode terminals [2]
H05B 7/12
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. . Arrangements for cooling, sealing, or protecting electrodes [2]
H05B 7/14
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. . Arrangements or methods for connecting successive electrode sections [2]
H05B 7/144
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. . Power supplies specially adapted for heating by electric dischargeAutomatic control of power, e.g. by positioning of electrodes [2]
H05B 7/148
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. . . Automatic control of power (electrode feeding arrangements H05B 7/109; automatic feeding or moving of electrodes for spot or seam welding or cutting B23K 9/12; disposition of electrodes in or on furnaces F27D 11/10; regulating electric characteristics of arcs G05F 1/02) [2]
H05B 7/152
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. . . . by electromechanical means for positioning of electrodes [2]
H05B 7/156
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. . . . by hydraulic or pneumatic means for positioning of electrodes [2]
H05B 7/16
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Heating by glow discharge
H05B 7/18
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Heating by arc discharge
H05B 7/20
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. . Direct heating by arc discharge, i.e. where at least one end of the arc directly acts on the material to be heated, including additional resistance heating by arc current flowing through the material to be heated [2]
H05B 7/22
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. . Indirect heating by arc discharge [2]
H05B 11/00
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Heating by combined application of processes covered by two or more of groups H05B 3/00-H05B 7/00 (H05B 7/20 takes precedence)
H05B 31/00
Lighting
H05B 31/00
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Electric arc lamps (regulating electric characteristics of arcs G05F 1/02)
H05B 33/00
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Electroluminescent light sources [1, 2006.01]
H05B 35/00
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Electric light sources using a combination of different types of light generation
H05B 37/00
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Circuit arrangements for electric light sources in general
H05B 39/00
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Circuit arrangements or apparatus for operating incandescent light sources and not adapted to a particular application
H05B 41/00
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Circuit arrangements or apparatus for igniting or operating discharge lamps
H05B 43/00
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Circuit arrangements for light sources, not otherwise provided for (H05B 37/00 takes precedence)
H05C
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ELECTRIC CIRCUITS OR APPARATUS SPECIALLY DESIGNED FOR USE IN EQUIPMENT FOR KILLING, STUNNING, ENCLOSING OR GUIDING LIVING BEINGS (stationary means for catching or killing insects by electric means A01M 1/22; apparatus for the destruction of noxious animals, other than insects, by electricity A01M 19/00; electric traps for animals A01M 23/38; slaughtering or stunning by electric current A22B 3/06)
H05F
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STATIC ELECTRICITYNATURALLY-OCCURRING ELECTRICITY
H05G
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X-RAY TECHNIQUE (apparatus for radiation diagnosis A61B 6/00; X-ray therapy A61N; testing by X-rays G01N; apparatus for X-ray photography G03B; filters, conversion screens, microscopes G21K; X-ray tubes H01J 35/00; TV systems having X-ray input H04N 5/321)
H05H
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PLASMA TECHNIQUE (ion-beam tubes H01J 27/00; magnetohydrodynamic generators H02K 44/08; producing X-rays involving plasma generation H05G 2/00)PRODUCTION OF ACCELERATED ELECTRICALLY- CHARGED PARTICLES OR OF NEUTRONS (obtaining neutrons from radioactive sources G21, e.g. G21B, G21C, G21G)PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS (atomic clocks G04F 5/14; devices using stimulated emission H01S; frequency regulation by comparison with a reference frequency determined by energy levels of molecules, atoms, or subatomic particles H03L 7/26)
H05K
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PRINTED CIRCUITSCASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUSMANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS (details of instruments or comparable details of other apparatus not otherwise provided for G12B; thin-film or thick-film circuits H01L 27/01, H01L 27/13; non-printed means for electric connections to or between printed circuits H01R; casings for, or constructional details of, particular types of apparatus, see the relevant subclasses; processes involving only a single technical art, e.g. heating, spraying, for which provision exists elsewhere, see the relevant classes)
H99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]

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