CPC Main Group
G01K 13/00 Thermometers specially adapted for specific purposes
Filing statistics
CPC G01K 13/00 belongs to the parent subclass G01K, which recorded 73,125 patent applications worldwide between 2013 and 2023. Annual filings grew from 3,524 in 2013 to 7,638 in 2023 (+117%), peaking at 9,657 applications in 2020. The most active applicants in class G01 are CHINESE ACADEMY OF SCIENCES (21,460 applications), ROBERT BOSCH (17,801 applications) and SGCC(STATE GRID CORPORATION OF CHINA) (17,347 applications).
Source: EPO PATSTAT, worldwide filings
6 direct subcodes
Child Classifications
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- G01K 13/02 for measuring temperature of moving fluids or granular materials capable of flow
- G01K 13/04 for measuring temperature of moving solid bodies
- G01K 13/10 for measuring temperature within piled or stacked materials (by special arrangements for conducting heat from the object to the sensitive heat element G01K1/16)
- G01K 13/12 combined with sampling devices for measuring temperatures of samples of materials
- G01K 13/20 Clinical contact thermometers for use with humans or animals
Top Applicants
Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 21,460
- ROBERT BOSCH DE 17,801
- SGCC(STATE GRID CORPORATION OF CHINA) 17,347
- SAMSUNG ELECTRONICS COMPANY KR 13,192
- QUALCOMM US 9,900
- HALLIBURTON ENERGY SERVICES GROUP US 9,742
- PHILIPS ELECTRONICS NL 7,249
- MITSUBISHI ELECTRIC CORPORATION JP 6,503
- ZHEJIANG UNIVERSITY 6,414
- DENSO CORPORATION JP 6,382