G01K 13/00 Thermometers specially adapted for specific purposes
Introduced: September 1968
Additional Content IPC
Determining when the hardening temperature has been reached by measurement of magnetic or electrical properties in the treatment of metals or alloys Arrangements for detecting or measuring liquid temperature in washing machines, washer-dryers or laundry dryers Arrangements for detecting or measuring temperature of the drying air in washer-dryers or laundry dryers Measuring temperature in boreholes or wells Sensors specially adapted for exhaust gas recirculation systems, for determining temperature Devices for sensing temperature or actuated thereby structurally associated with dynamo-electric machines In arrangements for regulating or controlling electric motors, appropriate for both AC and DC, determining the temperature of the motor or of the drive
Of 6 combined children, 5 exist in both systems.
1 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- G01K 13/02 for measuring temperature of moving fluids or granular materials capable of flow +3 CPC IPC+CPC Available in IPC and CPC
- 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) IPC+CPC Available in IPC and CPC
- G01K 13/12 combined with sampling devices for measuring temperatures of samples of materials +1 CPC IPC+CPC Available in IPC and CPC
- G01K 13/20 Clinical contact thermometers for use with humans or animals since 2021 +1 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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