SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM

Child Classifications

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• B23K 1/00 Soldering, e.g. brazing, or unsoldering (B23K3/00 takes precedence) +4 CPC IPC+CPC Available in IPC and CPC
• B23K 10/00 Welding or cutting by means of a plasma since 1990 +2 CPC IPC+CPC Available in IPC and CPC
• B23K 101/00 Articles made by soldering, welding or cutting since 1990 −13 IPC IPC only IPC only
• B23K 103/00 Materials to be soldered, welded or cut since 1990 −4 IPC IPC only IPC only
• B23K 11/00 Resistance welding; Severing by resistance heating +3 CPC IPC+CPC Available in IPC and CPC
• B23K 13/00 Welding by high-frequency current heating IPC+CPC Available in IPC and CPC
• B23K 15/00 Electron-beam welding or cutting +7 CPC IPC+CPC Available in IPC and CPC
• B23K 17/00 Use of the energy of nuclear particles in welding or related techniques IPC+CPC Available in IPC and CPC
• B23K 20/00 Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating since 1980 +3 CPC IPC+CPC Available in IPC and CPC
• B23K 2101/00 Articles made by soldering, welding or cutting 2nd only +20 CPC CPC only CPC only
• B23K 2103/00 Materials to be soldered, welded or cut 2nd only +6 CPC CPC only CPC only
• B23K 23/00 Alumino-thermic welding IPC+CPC Available in IPC and CPC
• B23K 25/00 Slag welding, i.e. using a heated layer or mass of powder, slag or the like in contact with the material to be joined +1 CPC IPC+CPC Available in IPC and CPC
• B23K 26/00 Working by laser beam, e.g. welding, cutting or boring since 1974 +4 CPC IPC+CPC Available in IPC and CPC
• B23K 28/00 Welding or cutting not covered by groups B23K5/00 - B23K26/00 since 1974 +2 CPC IPC+CPC Available in IPC and CPC
• B23K 3/00 Tools, devices or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods IPC+CPC Available in IPC and CPC
• B23K 31/00 Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00 +2 CPC IPC+CPC Available in IPC and CPC
• B23K 33/00 Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby +2 CPC IPC+CPC Available in IPC and CPC
• B23K 35/00 Rods, electrodes, materials, or media, for use in soldering, welding, or cutting +1 CPC IPC+CPC Available in IPC and CPC
• B23K 37/00 Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass IPC+CPC Available in IPC and CPC
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