IPC Main Group
F23D 14/00 Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
Introduced: January 1985
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION APPARATUS; COMBUSTION PROCESSES
- Subclass:
- BURNERS
10 direct subcodes
Child Classifications
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- F23D 14/02 Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D 14/12 Radiant burners
- F23D 14/2 Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
- F23D 14/26 with provision for a retention flame
- F23D 14/28 in association with a gaseous fuel source, e.g. acetylene generator, or a container for liquefied gas
- F23D 14/3 Inverted burners, e.g. for illumination
- F23D 14/32 using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air
- F23D 14/34 Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air
- F23D 14/38 Torches, e.g. for brazing or heating
- F23D 14/46 Details
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