IPC Main Group
G05D 22/00 Control of humidity
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- CONTROLLING; REGULATING
- Subclass:
- SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
Additional Content
Control of watering for watering gardens, fields, sports grounds or the like Controlling humidity in poultry incubators Control of the moisture content of tobacco products Control arrangements for air conditioning Controlling humidity of the gas supply in arrangements for supplying or controlling air or other gases for drying solid materials or objects
Related Keywords
control of HUMIDITY
1 direct subcode
Child Classifications
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- G05D 22/02 characterised by the use of electric means
Top Applicants
Top 10 applicants by patent filingsfor class G05, 2013–2023, worldwide · Source: EPO PATSTAT
- SIEMENS DE 4,725
- SGCC(STATE GRID CORPORATION OF CHINA) 4,571
- FANUC JP 4,233
- MITSUBISHI ELECTRIC CORPORATION JP 3,143
- FANUC 2,981
- ROBERT BOSCH DE 2,813
- CHINESE ACADEMY OF SCIENCES 2,500
- LG ELECTRONICS KR 2,182
- OMRON CORPORATION JP 2,036
- SAMSUNG ELECTRONICS COMPANY KR 1,981