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CPC Subgroup
G01K 1/20

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

Full Title

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

2 direct subcodes

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
  • G01K 1/24 by means of compounded strips or plates, e.g. by bimetallic strips

Top Applicants

Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 21,460
  2. ROBERT BOSCH DE 17,801
  3. SGCC(STATE GRID CORPORATION OF CHINA) 17,347
  4. SAMSUNG ELECTRONICS COMPANY KR 13,192
  5. QUALCOMM US 9,900
  6. HALLIBURTON ENERGY SERVICES GROUP US 9,742
  7. PHILIPS ELECTRONICS NL 7,249
  8. MITSUBISHI ELECTRIC CORPORATION JP 6,503
  9. ZHEJIANG UNIVERSITY 6,414
  10. DENSO CORPORATION JP 6,382