IPC Main Group
F26B 21/00 Arrangements for supplying or controlling air or other gases for drying solid materials or objects
Introduced: September 1968
Last revised: January 2026
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- DRYING
- Subclass:
- DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
4 direct subcodes
Child Classifications
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- F26B 21/2 Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B 21/3 Controlling, e.g. regulating, parameters of gas supply
- F26B 21/4 using gases other than air
- F26B 21/5 Ducting arrangements from the source of air or other gases to the materials or objects being dried
Top Applicants
Top 10 applicants by patent filingsfor class F26, 2013–2023, worldwide · Source: EPO PATSTAT
- LG ELECTRONICS KR 392
- TRUKING TECHNOLOGY 292
- CHINESE ACADEMY OF SCIENCES 258
- MENGZHOU YUANHONG DRYING EQUIPMENT RESEARCH AND DEVELOPMENT COMPANY 190
- HAIER SMART HOME 176
- SGCC(STATE GRID CORPORATION OF CHINA) 174
- LG ENERGY SOLUTION KR 166
- SCREEN HOLDINGS JP 162
- GREE ELECTRIC APPLIANCES 157
- SAMSUNG ELECTRONICS COMPANY KR 152