IPC Subgroup
G01K 1/02 Means for indicating or recording specially adapted for thermometers
Introduced: September 1968
Last revised: January 2021
Full Title
Details of thermometers not specially adapted for particular types of thermometer > Means for indicating or recording specially adapted for thermometers
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
Additional Content
Temperature indicating arrangements in hand irons internally heated by electricity Displaying temperature data in connection with air-conditioning, air-humidification, ventilation or use of air currents for screening
3 direct subcodes
Child Classifications
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- G01K 1/022 for recording
- G01K 1/024 for remote indication
- G01K 1/04 Scales
Top Applicants
Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 41,447
- CHINESE ACADEMY OF SCIENCES 32,952
- ROBERT BOSCH DE 16,470
- SAMSUNG ELECTRONICS COMPANY KR 10,052
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 9,573
- ZHEJIANG UNIVERSITY 9,529
- GUANGDONG POWER GRID CORPORATION 8,615
- TSINGHUA UNIVERSITY 7,805
- HALLIBURTON ENERGY SERVICES GROUP US 7,796
- QUALCOMM US 7,171