IPC Subgroup
G01K 7/02 using thermoelectric elements, e.g. thermocouples
Introduced: September 1968
Last revised: January 2021
Full Title
Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat > using thermoelectric elements, e.g. thermocouples
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
5 direct subcodes
Child Classifications
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- G01K 7/026 Arrangements for signalling failure or disconnection of thermocouples
- G01K 7/04 the object to be measured not forming one of the thermoelectric materials
- G01K 7/08 the object to be measured forming one of the thermoelectric materials, e.g. pointed type
- G01K 7/1 Arrangements for compensating for auxiliary variables, e.g. length of lead
- G01K 7/14 Arrangements for modifying the output characteristic, e.g. linearising
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