CPC Subgroup
F26B 21/30 Controlling, e.g. regulating, parameters of gas supply
Full Title
Arrangements for supplying or controlling air or other gases for drying solid materials or objects > Controlling, e.g. regulating, parameters of gas supply
Filing statistics
CPC F26B 21/30 belongs to the parent subclass F26B, which recorded 82,665 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,690 in 2013 to 8,685 in 2023 (+223%), peaking at 12,067 applications in 2020. The most active applicants in class F26 are LG ELECTRONICS (487 applications), DUERR SYSTEMS (205 applications) and SCREEN HOLDINGS (200 applications).
Source: EPO PATSTAT, worldwide filings
3 direct subcodes
Child Classifications
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- F26B 21/33 Humidity
- F26B 21/35 Temperature; Pressure
- F26B 21/37 Velocity of flow; Quantity of flow
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