DIFF Subgroup
G01J 5/02 Constructional details
Introduced: September 1968
Full Title
Radiation pyrometry, e.g. infrared or optical thermometry > Constructional details
Additional Content IPC
Details pertaining to radiation pyrometry using polarisation effects
CPC subdivides this area 3x more granularly than IPC with 12 additional codes.
12 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- G01J 5/03 Arrangements for indicating or recording specially adapted for radiation pyrometers since 2022 IPC+CPC Available in IPC and CPC
- G01J 5/05 Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path since 2022 +1 CPC IPC+CPC Available in IPC and CPC
- G01J 5/06 Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity (for adjusting of solid angle of collected radiation G01J5/07; means for wavelength selection G01J5/0801) +3 CPC IPC+CPC Available in IPC and CPC
- G01J 5/07 Arrangements for adjusting the solid angle of collected radiation, e.g. adjusting or orienting field of view, tracking position or encoding angular position (optical collimating elements G01J5/0806) since 2022 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