IPC Main Group
H01K 3/00 Apparatus or processes adapted to the manufacture, installing, removal or maintenance of incandescent lamps or parts thereof
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC INCANDESCENT LAMPS
11 direct subcodes
Child Classifications
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- H01K 3/02 Manufacture of incandescent bodies
- H01K 3/06 Attaching of incandescent bodies to mount
- H01K 3/08 Manufacture of mounts or stems
- H01K 3/12 Joining of mount or stem to vessel; Joining parts of the vessel, e.g. by butt sealing
- H01K 3/16 Joining of caps to vessel
- H01K 3/2 Sealing-in wires directly into the envelope
- H01K 3/22 Exhausting, degassing, filling, or cleaning vessels
- H01K 3/26 Closing of vessels
- H01K 3/28 Machines having sequentially arranged operating stations
- H01K 3/3 Repairing or regenerating used or defective lamps
- H01K 3/32 Auxiliary devices for cleaning, placing, or removing incandescent lamps