1. CPC Sections
  2. CPC Section F
  3. CPC Class F23
  4. CPC Subclass F23Q
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Version: 2024.08
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CPC
COOPERATIVE PATENT CLASSIFICATION
​
F23Q
IGNITION (devices or installations peculiar to internal-combustion engines F02P; of cigarettes or tobacco A24F; compositions therefor, chemical igniters C06C); EXTINGUISHING-DEVICES [2018-08]
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.
F23Q 1/00
Mechanical igniters (lighters containing fuel F23Q 2/00; matches C06F) [2013-01]
F23Q 1/02
.
using friction or shock effects [2013-01]
F23Q 1/04
. .
on a part moved by the fuel-controlling member, e.g. by a tap on a gas cooker [2013-01]
F23Q 1/06
. .
Portable igniters [2013-01]
F23Q 2/00
Lighters containing fuel, e.g. for cigarettes [2013-01]
F23Q 2/02
.
Lighters with liquid fuel {fuel which is fluid at atmospheric pressure} [2013-01]
F23Q 2/04
. .
with cerium-iron alloy and wick {with friction ignition} [2013-01]
F23Q 2/06
. . .
with friction wheel [2013-01]
F23Q 2/08
. . . .
with ignition by spring action of the cover [2013-01]
F23Q 2/10
. . .
with other friction member [2013-01]
F23Q 2/12
. .
with cerium-iron alloy without wick [2013-01]
F23Q 2/14
. .
with cerium-iron alloy and torch ignited by striking or pushing [2013-01]
F23Q 2/16
.
Lighters with gaseous fuel, e.g. the gas being stored in liquid phase [2013-01]
F23Q 2/161
. .
{with friction wheel} [2016-05]
F23Q 2/162
. .
{with non-adjustable gas flame (if electrically ignited F23Q 2/28)} [2013-01]
F23Q 2/163
. . .
{Burners (gas valves)} [2013-01]
F23Q 2/164
. .
{Arrangements for preventing undesired ignition} [2013-01]
F23Q 2/165
. .
{with more than one flame} [2013-01]
F23Q 2/167
. .
with adjustable flame [2013-01]
F23Q 2/173
. .
Valves therefor (valves in general F16K) [2013-01]
F23Q 2/18
.
Lighters with solid fuel [2013-01]
F23Q 2/20
. .
with cerium-iron alloy and friction wheel [2013-01]
F23Q 2/22
. .
with cerium-iron alloy and tinder [2013-01]
F23Q 2/24
. .
ignition pills or strips with inflammable parts {(ignition pills C06C 9/00, C06C 15/00; corresponding lighters with fluid fuel F23Q 2/10)} [2013-01]
F23Q 2/26
. .
combined with liquid fuel lighters [2013-01]
F23Q 2/28
.
Lighters characterised by electrical ignition of the fuel (lighter with electrically-produced sparks but without fuel F23Q 3/00) [2013-01]
F23Q 2/282
. .
{with incandescent ignition (lighters with incandescent ignition but without fuel F23Q 7/00)} [2013-01]
F23Q 2/285
. .
{with spark ignition} [2013-01]
F23Q 2/287
. . .
{piezoelectric} [2023-08]
F23Q 2/30
.
Lighters characterised by catalytic ignition of fuel (catalytic igniters without fuel C06C) [2013-01]
F23Q 2/32
.
Lighters characterised by being combined with other objects (combinations with smokers' equipment A24F) [2013-01]
F23Q 2/325
. .
{combined with clock, timer or counter} [2016-05]
F23Q 2/34
.
Component parts or accessories [2013-01]
F23Q 2/345
. .
{Scent-distribution or flame-colouring devices} [2016-05]
F23Q 2/36
. .
Casings [2013-01]
F23Q 2/365
. . .
{Tabletop lighters} [2016-05]
F23Q 2/38
. . .
with containers for flints or tools [2013-01]
F23Q 2/40
. .
Cover fastenings [2013-01]
F23Q 2/42
. .
Fuel containers; Closures for fuel containers [2013-01]
F23Q 2/44
. .
Wicks; Wick guides or fastenings [2013-01]
F23Q 2/46
. .
Friction wheels; Arrangement of friction wheels [2013-01]
F23Q 2/48
. .
Flint (composition, manufacture C06C 15/00); Guides for, or arrangements of, flints [2013-01]
F23Q 2/50
. .
Protecting coverings [2013-01]
F23Q 2/52
. .
Filling devices (in general B67D) [2013-01]
F23Q 3/00
Igniters using electrically-produced sparks (sparking-plugs H01T 13/00) [2013-01]
F23Q 3/002
.
{using piezoelectric elements} [2023-08]
F23Q 3/004
.
{Using semiconductor elements} [2013-01]
F23Q 3/006
.
{Details (sparking-plugs H01T 13/00)} [2013-01]
F23Q 3/008
.
{Structurally associated with fluid-fuel burners} [2013-01]
F23Q 3/01
.
Hand-held lighters, e.g. for cigarettes [2013-01]
F23Q 5/00
Make-and-break ignition, i.e. with spark generated between electrodes by breaking contact therebetween (specially adapted for internal-combustion engines F02P 15/00) [2013-01]
F23Q 7/00
Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes (circuits therefor H01T 15/00); Electrically-heated glowing plugs [2013-01]
F23Q 7/001
.
{Glowing plugs for internal-combustion engines} [2013-01]
F23Q 2007/002
. .
{with sensing means} [2013-01]
F23Q 2007/004
. .
{Manufacturing or assembling methods} [2013-01]
F23Q 2007/005
. . .
{pressure sensors} [2013-01]
F23Q 2007/007
. . .
{ion current sensors} [2013-01]
F23Q 2007/008
. . .
{temperature sensors} [2013-01]
F23Q 7/02
.
for igniting solid fuel [2013-01]
F23Q 7/04
. .
with fans for transfer of heat to fuel [2013-01]
F23Q 7/06
.
structurally associated with fluid-fuel burners (lighters containing fuel F23Q 2/00) [2013-01]
F23Q 7/08
. .
for evaporating and igniting liquid fuel, e.g. in hurricane lanterns [2013-01]
F23Q 7/10
. .
for gaseous fuel, e.g. in welding appliances [2017-05]
F23Q 7/12
. . .
actuated by gas-controlling device [2013-01]
F23Q 7/14
.
Portable igniters [2013-01]
F23Q 7/16
. .
with built-in battery [2013-01]
F23Q 7/18
. .
with built-in generator [2013-01]
F23Q 7/20
. .
with built-in mains transformer [2013-01]
F23Q 7/22
.
Details [2013-01]
F23Q 7/24
. .
Safety arrangements [2013-01]
F23Q 7/26
. . .
Provision for re-ignition [2013-01]
F23Q 9/00
Pilot flame igniters [2013-01]
F23Q 9/02
.
without interlock with main fuel supply [2013-01]
F23Q 9/04
. .
for upright burners, e.g. gas-cooker burners [2013-01]
F23Q 9/045
. . .
{Structurally associated with a main-burner} [2013-01]
F23Q 9/06
. .
for inverted burners, e.g. gas lamps [2013-01]
F23Q 9/08
.
with interlock with main fuel supply [2013-01]
F23Q 9/10
. .
to determine the sequence of supply of fuel to pilot and main burners [2013-01]
F23Q 9/12
. .
to permit the supply to the main burner in dependence upon existence of pilot flame [2013-01]
F23Q 9/14
. . .
using electric means, e.g. by light-sensitive elements [2013-01]
F23Q 11/00
Arrangement of catalytic igniters (catalytic igniters per se C06C) [2013-01]
F23Q 11/04
.
at the burner [2013-01]
F23Q 11/06
.
remote from the burner, e.g. on the chimney of a lamp [2017-05]
F23Q 11/08
.
on a part moved by the fuel controlling member [2013-01]
F23Q 11/10
. .
and moving out of the flame after ignition [2013-01]
F23Q 13/00
Igniters not otherwise provided for [2013-01]
F23Q 13/005
.
{using light, e.g. sunlight or laser} [2013-01]
F23Q 13/02
.
using gas burners, e.g. gas pokers [2013-01]
F23Q 13/04
.
using portable burners, e.g. torches, fire pots [2013-01]
F23Q 21/00
Devices for effecting ignition from a remote location [2013-01]
F23Q 23/00
Testing of ignition installations (peculiar to internal-combustion engines F02P 17/00) [2018-01]
F23Q 23/02
.
Testing of ignition timing [2013-01]
F23Q 23/08
.
Testing of components (of sparking plugs H01T 13/58, F02P 17/12) [2013-01]
F23Q 23/10
. .
electrically [2013-01]
F23Q 25/00
Extinguishing-devices, e.g. for blowing-out or snuffing candle flames (for cigarettes A24F) [2013-01]