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IPC Subgroup
G01J 5/06

Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity

Introduced: September 1968

Last revised: January 2022

Full Title

Radiation pyrometry, e.g. infrared or optical thermometry > Constructional details > Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity

Classification Context

Section:
PHYSICS
Class:
MEASURING; TESTING
Subclass:
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY

2 direct subcodes

Child Classifications

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  • G01J 5/061 by controlling the temperature of the apparatus or parts thereof, e.g. using cooling means or thermostats
  • G01J 5/068 by controlling parameters other than temperature

Top Applicants

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

  1. SGCC(STATE GRID CORPORATION OF CHINA) 41,447
  2. CHINESE ACADEMY OF SCIENCES 32,952
  3. ROBERT BOSCH DE 16,470
  4. SAMSUNG ELECTRONICS COMPANY KR 10,052
  5. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 9,573
  6. ZHEJIANG UNIVERSITY 9,529
  7. GUANGDONG POWER GRID CORPORATION 8,615
  8. TSINGHUA UNIVERSITY 7,805
  9. HALLIBURTON ENERGY SERVICES GROUP US 7,796
  10. QUALCOMM US 7,171