IPC Main Group
F23G 5/00 Methods or apparatus, e.g. incinerators, specially adapted for combustion of waste or low-grade fuels
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION APPARATUS; COMBUSTION PROCESSES
- Subclass:
- CREMATION FURNACES; CONSUMING WASTE OR LOW GRADE FUELS BY COMBUSTION
Additional Content
Incineration of specific waste
12 direct subcodes
Child Classifications
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- F23G 5/02 including pretreatment
- F23G 5/08 including supplementary heating
- F23G 5/2 with combustion in rotating or oscillating drums
- F23G 5/24 with combustion in a vertical, substantially cylindrical, combustion chamber
- F23G 5/3 with combustion in a fluidised bed
- F23G 5/32 in which the waste or low-grade fuel is subjected to a whirling movement, e.g. cyclonic incinerators
- F23G 5/34 in which the waste or low-grade fuel is burnt in a pit or arranged in a heap for combustion
- F23G 5/36 with combustion in a conical combustion chamber, e.g. "teepee" incinerators
- F23G 5/38 having multi-hearth arrangements
- F23G 5/4 Portable or mobile apparatus
- F23G 5/44 Details; Accessories
- F23G 5/5 Control or safety arrangements
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