CPC Subgroup Additional Only
F23G 2900/508 Providing additional energy for combustion, e.g. by using supplementary heating
Full Title
Special features of, or arrangements for incinerators > Providing additional energy for combustion, e.g. by using supplementary heating
5 direct subcodes
Child Classifications
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- F23G 2900/50801 using the heat from externally heated bodies, e.g. steel balls
- F23G 2900/50802 using solid propellant
- F23G 2900/50803 using solar energy
- F23G 2900/50804 using thermit or other compositions of metal oxides as auxiliary fuel
- F23G 2900/51001 using arc discharge electrodes to provide heat
Top Applicants
Top 10 applicants by patent filingsfor class F23, 2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 2,581
- UNITED TECHNOLOGIES CORPORATION (UTC) US 1,180
- SIEMENS DE 1,157
- GE (GENERAL ELECTRIC COMPANY) 994
- XIAN THERMAL POWER RESEARCH INSTITUTE COMPANY 769
- MITSUBISHI HEAVY INDUSTRIES JP 701
- MITSUBISHI HITACHI POWER SYSTEMS JP 695
- RAYTHEON TECHNOLOGIES CORPORATION US 587
- NINGBO FOTILE KITCHENWARE COMPANY 543
- GENERAL ELECTRIC TECHNOLOGY CH 490