CPC Subgroup
F23D 11/36 Details
Full Title
Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space > Details
5 direct subcodes
Child Classifications
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- F23D 11/38 Nozzles; Cleaning devices therefor
- F23D 11/40 Mixing tubes; Burner heads
- F23D 11/42 Starting devices (igniting F23Q)
- F23D 11/44 Preheating devices; Vaporising devices
- F23D 11/46 Devices on the vaporiser for controlling the feeding of the fuel
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