IPC Subgroup
F22B 1/02 by exploitation of the heat content of hot heat carriers
Introduced: September 1968
Last revised: January 2006
Full Title
Methods of steam generation characterised by form of heating method > by exploitation of the heat content of hot heat carriers
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- STEAM GENERATION
- Subclass:
- METHODS OF STEAM GENERATION; STEAM BOILERS
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F22B 1/04 the heat carrier being hot slag, hot residues, or heated blocks, e.g. iron blocks
- F22B 1/06 the heat carrier being molten; Use of molten metal, e.g. zinc, as heat transfer medium
- F22B 1/08 the heat carrier being steam
- F22B 1/16 the heat carrier being hot liquid or hot vapour, e.g. waste liquid, waste vapour
- F22B 1/18 the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
Top Applicants
Top 10 applicants by patent filingsfor class F22, 2013–2023, worldwide · Source: EPO PATSTAT
- XIAN THERMAL POWER RESEARCH INSTITUTE COMPANY 922
- MIURA COMPANY 416
- HARBIN BOILER COMPANY 390
- MITSUBISHI HITACHI POWER SYSTEMS 303
- XIAN JIAOTONG UNIVERSITY 287
- SGCC(STATE GRID CORPORATION OF CHINA) 257
- HUADIAN ELECTRIC POWER RESEARCH INSTITUTE 253
- SIEMENS DE 247
- MIDEA 243
- NORTH CHINA ELECTRIC POWER UNIVERSITY 223