1. CPC Sections
  2. CPC Section H
  3. CPC Class H01
  4. CPC Subclass H01K
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Version: 2024.08
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CPC
COOPERATIVE PATENT CLASSIFICATION
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H01K
ELECTRIC INCANDESCENT LAMPS (details, apparatus or processes for manufacture applicable to both discharge devices and incandescent lamps H01J; light sources using a combination of incandescent and other types of light generation H01J 61/96, H05B 35/00) [2023-08]
NOTE

  • In this subclass, the following term is used with the meaning indicated:
    • "lamp" includes tubes emitting ultraviolet or infrared light.
WARNING

  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
H01K 1/00
Details [2013-01]
H01K 1/02
.
Incandescent bodies [2013-01]
H01K 1/04
. .
characterised by the material thereof [2013-01]
H01K 1/06
. . .
Carbon bodies [2013-01]
H01K 1/08
. . .
Metallic bodies [2013-01]
H01K 1/10
. . .
Bodies of metal or carbon combined with other substance [2013-01]
H01K 1/12
. . .
Bodies which are non-conductive when cold, e.g. for Nernst lamp [2013-01]
H01K 1/14
. .
characterised by the shape [2013-01]
H01K 1/16
. .
Electric connection thereto [2013-01]
H01K 1/18
.
Mountings or supports for the incandescent body [2013-01]
H01K 1/20
. .
characterised by the material thereof [2013-01]
H01K 1/22
. .
Lamp stems (seals for leading conductors there through H01K 1/38) [2013-01]
H01K 1/24
. .
Mounts for lamps with connections at opposite ends, e.g. for tubular lamp [2017-01]
H01K 1/26
.
Screens; Filters (associated with envelope H01K 1/28) [2013-01]
H01K 1/28
.
Envelopes; Vessels [2013-01]
H01K 1/30
. .
incorporating lenses [2013-01]
H01K 1/32
. .
provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof [2017-08]
H01K 1/325
. . .
{Reflecting coating} [2013-01]
H01K 1/34
. .
Double wall vessels [2013-01]
H01K 1/36
.
Seals between parts of vessel, e.g. between stem and envelope [2013-01]
H01K 1/38
.
Seals for leading-in conductors [2013-01]
H01K 1/40
.
Leading-in conductors [2013-01]
H01K 1/42
.
Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp [2013-01]
H01K 1/44
. .
directly applied to, or forming part of, the vessel [2013-01]
H01K 1/46
. .
supported by a separate part, e.g. base, cap [2013-01]
H01K 1/465
. . .
{with means to prevent loosening or unauthorised removal of the lamp} [2013-01]
H01K 1/48
. . .
Removable caps [2013-01]
H01K 1/50
.
Selection of substances for gas fillings; Specified pressure thereof [2013-01]
H01K 1/52
.
Means for obtaining or maintaining the desired pressure within the vessel [2013-01]
H01K 1/54
. .
Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering [2013-01]
H01K 1/56
. . .
characterised by the material of the getter [2013-01]
H01K 1/58
.
Cooling arrangements [2013-01]
H01K 1/60
.
Means structurally associated with the lamp for indicating defects or previous use [2013-01]
H01K 1/62
.
One or more circuit elements structurally associated with the lamp [2013-01]
H01K 1/625
. .
{Flashing incandescent lamps} [2013-01]
H01K 1/64
. .
with built-in switch [2013-01]
H01K 1/66
. .
with built-in fuse [2013-01]
H01K 1/68
. .
with built-in spark gap [2013-01]
H01K 1/70
. .
with built-in short-circuiting device, e.g. for serially connected lamps [2013-01]
H01K 3/00
Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof (manufacture of vessels from glass C03B) [2013-01]
H01K 3/005
.
{Methods for coating the surface of the envelope} [2013-01]
H01K 3/02
.
Manufacture of incandescent bodies [2013-01]
H01K 3/04
. .
Machines therefor [2013-01]
H01K 3/06
.
Attaching of incandescent bodies to mount [2013-01]
H01K 3/065
. .
{Machines therefor} [2013-01]
H01K 3/08
.
Manufacture of mounts or stems [2013-01]
H01K 3/10
. .
Machines therefor [2013-01]
H01K 3/12
.
Joining of mount or stem to vessel; Joining parts of the vessel, e.g. by butt sealing [2017-05]
H01K 3/14
. .
Machines therefor [2013-01]
H01K 3/16
.
Joining of caps to vessel [2013-01]
H01K 3/18
. .
Machines therefor [2013-01]
H01K 3/20
.
Sealing-in wires directly into the envelope [2013-01]
H01K 3/22
.
Exhausting, degassing, filling, or cleaning vessels [2017-08]
H01K 3/24
. .
Machines therefor [2013-01]
H01K 3/26
.
Closing of vessels [2013-01]
H01K 3/28
.
Machines having sequentially arranged operating stations [2013-01]
H01K 3/30
.
Repairing or regenerating used or defective lamps [2013-01]
H01K 3/305
. .
{Testing of incandescent lamps} [2013-01]
H01K 3/32
.
Auxiliary devices for cleaning, placing, or removing incandescent lamps [2013-01]
H01K 5/00
Lamps for general lighting (H01K 9/00 - H01K 13/00 take precedence) [2016-05]
H01K 5/02
.
with connections made at opposite ends, e.g. tubular lamp with axially arranged filament [2013-01]
H01K 7/00
Lamps for purposes other than general lighting (H01K 9/00 - H01K 13/00 take precedence) [2017-08]
H01K 7/02
.
for producing a narrow beam of light; for approximating a point-like source of light, e.g. for searchlight, for cinematographic projector (producing narrow beams by optical means external to lamp F21V) [2019-01]
H01K 7/04
.
for indicating [2013-01]
H01K 7/06
.
for decorative purposes [2013-01]
H01K 9/00
Lamps having two or more incandescent bodies separately heated (H01K 11/00, H01K 13/00 take precedence) [2013-01]
H01K 9/02
.
to provide substitution in the event of failure of one of the bodies [2013-01]
H01K 9/04
. .
with built-in manually operated switch [2013-01]
H01K 9/06
. .
with built-in device, e.g. switch, for automatically completing circuit of reserve body [2013-01]
H01K 9/08
.
to provide selectively different light effects, e.g. for automobile headlamp [2013-01]
H01K 11/00
Lamps having an incandescent body which is not conductively heated, e.g. heated inductively, heated by electronic discharge (H01K 13/00 takes precedence) [2013-01]
H01K 13/00
Lamps having an incandescent body which is substantially non-conductive until heated, e.g. Nernst lamp [2013-01]
H01K 13/02
.
Heating arrangements [2013-01]
H01K 13/04
. .
using electric discharge [2013-01]
H01K 13/06
. .
using induction heating; using high frequency field [2013-01]