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PCE
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CPC Subgroup
G01K 3/10

in respect of time, e.g. reacting only to a quick change of temperature

Full Title

Thermometers giving results other than momentary value of temperature (G01K7/42 takes precedence) > giving differences of values (using thermoelectric elements G01K7/02); giving differentiated values > in respect of time, e.g. reacting only to a quick change of temperature

1 direct subcode

Child Classifications

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  • G01K 3/12 based upon expansion or contraction of materials

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