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DIFF Subgroup
G01S 7/52

of systems according to group G01S15/00

Introduced: September 1968

Title

Titles differ between systems:

IPC: of systems according to group

CPC: of systems according to group G01S15/00

Full Title

Full titles differ between systems:

IPC:

Details of systems according to groups , , > of systems according to group

CPC:

Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 > of systems according to group G01S15/00

Of 13 combined children, 8 exist in both systems.

5 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G01S 7/52001 CPC only CPC only
  • G01S 7/52003 CPC only CPC only
  • G01S 7/52015 CPC only CPC only
  • G01S 7/521 Constructional features since 1995 IPC+CPC Available in IPC and CPC
  • G01S 7/537 Counter-measures or counter-counter-measures, e.g. jamming, anti-jamming since 1995 IPC+CPC Available in IPC and CPC
  • G01S 7/539 using analysis of echo signal for target characterisation; Target signature; Target cross-section since 1995 IPC+CPC Available in IPC and CPC
  • G01S 7/54 with receivers spaced apart IPC+CPC Available in IPC and CPC
  • G01S 7/64 Luminous indications (G01S7/62 takes precedence ) IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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