IPC Subgroup
F23Q 2/34 Component parts or accessories
Introduced: September 1968
Last revised: January 2006
Full Title
Lighters containing fuel, e.g. for cigarettes > Component parts or accessories
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION APPARATUS; COMBUSTION PROCESSES
- Subclass:
- IGNITION; EXTINGUISHING DEVICES
8 direct subcodes
Child Classifications
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- F23Q 2/36 Casings
- F23Q 2/4 Cover fastenings
- F23Q 2/42 Fuel containers; Closures for fuel containers
- F23Q 2/44 Wicks; Wick guides or fastenings
- F23Q 2/46 Friction wheels; Arrangement of friction wheels
- F23Q 2/48 Flints; Guides for, or arrangements of, flints
- F23Q 2/5 Protecting coverings
- F23Q 2/52 Filling devices
Top Applicants
Top 10 applicants by patent filingsfor class F23, 2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 2,124
- XIAN THERMAL POWER RESEARCH INSTITUTE COMPANY 1,369
- NINGBO FOTILE KITCHENWARE COMPANY 1,363
- SIEMENS DE 997
- UNITED TECHNOLOGIES CORPORATION (UTC) US 937
- GE (GENERAL ELECTRIC COMPANY) 898
- VATTI 815
- CHINESE ACADEMY OF SCIENCES 719
- RINNAI COMPANY 708
- MITSUBISHI HITACHI POWER SYSTEMS 670