Compensating for effects of temperature changes other than those to be measured, e.g. changes in ambient temperature

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Details of thermometers not specially adapted for particular types of thermometer > Compensating for effects of temperature changes other than those to be measured, e.g. changes in ambient temperature

CPC:

Details of thermometers not specially adapted for particular types of thermometer (circuits for reducing thermal inertia G01K7/42) > Compensating for effects of temperature changes other than those to be measured, e.g. changes in ambient temperature

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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G01K 1/22 by means of fluid contained in a hollow body having parts which are deformable or displaceable under the pressure developed by the fluid IPC+CPC Available in IPC and CPC
G01K 1/24 by means of compounded strips or plates, e.g. by bimetallic strips 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