CPC Subgroup
F26B 23/022 Full Title
Heating arrangements (using heated air or other gases F26B21/00) > using combustion heating ( F26B23/10 take precedence)
1 direct subcode
Child Classifications
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Top Applicants
Top 10 applicants by patent filingsfor class F26, 2013–2023, worldwide · Source: EPO PATSTAT
- LG ELECTRONICS KR 487
- DUERR SYSTEMS DE 205
- SCREEN HOLDINGS JP 200
- SEMES COMPANY KR 187
- SAMSUNG ELECTRONICS COMPANY KR 181
- LG ENERGY SOLUTION KR 178
- TOKYO ELECTRON JP 168
- LG CHEM KR 166
- CHINESE ACADEMY OF SCIENCES 139
- SCREEN HOLDINGS 127