IPC Main Group
F23G 7/00 Methods or apparatus, e.g. incinerators, specially adapted for combustion of specific waste or low grade fuels, e.g. chemicals
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
7 direct subcodes
Child Classifications
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- F23G 7/02 of bagasse, megasse or the like
- F23G 7/04 of waste liquors, e.g. sulfite liquors
- F23G 7/05 of waste oils
- F23G 7/06 of waste gases or noxious gases, e.g. exhaust gases
- F23G 7/1 of field or garden waste
- F23G 7/12 of plastics, e.g. rubber
- F23G 7/14 of contaminated soil, e.g. soil contaminated by oil
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