CPC Main Group
F22G 5/00 Controlling superheat temperature
8 direct subcodes
Child Classifications
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- F22G 5/02 Applications of combustion-control devices, e.g. tangential-firing burners, tilting burners
- F22G 5/04 by regulating flue gas flow, e.g. by proportioning or diverting
- F22G 5/06 by recirculating flue gases
- F22G 5/10 by displacing superheater sections
- F22G 5/12 by attemperating the superheated steam, e.g. by injected water sprays
- F22G 5/16 by indirectly cooling or heating the superheated steam in auxiliary enclosed heat-exchanger
- F22G 5/18 by by-passing steam around superheater sections
- F22G 5/20 by combined controlling procedures
Top Applicants
Top 10 applicants by patent filingsfor class F22, 2013–2023, worldwide · Source: EPO PATSTAT
- XIAN THERMAL POWER RESEARCH INSTITUTE COMPANY 544
- SIEMENS DE 306
- PHILIP MORRIS PRODUCTS CH 258
- GENERAL ELECTRIC TECHNOLOGY CH 254
- MITSUBISHI HITACHI POWER SYSTEMS JP 235
- XIAN JIAOTONG UNIVERSITY 214
- MITSUBISHI HEAVY INDUSTRIES JP 195
- MITSUBISHI HITACHI POWER SYSTEMS 169
- HARBIN BOILER COMPANY 166
- VALMET TECHNOLOGIES FI 155