IPC Subgroup
F23B 30/02 with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts
Introduced: January 2006
Full Title
Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber > with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION APPARATUS; COMBUSTION PROCESSES
- Subclass:
- METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
2 direct subcodes
Child Classifications
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- F23B 30/04 with fuel-supporting surfaces that are rotatable around a horizontal or inclined axis and support the fuel on their inside, e.g. cylindrical grates
- F23B 30/06 with fuel-supporting surfaces that are specially adapted for advancing the fuel through the combustion zone
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