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DIFF Main Group
G08G 5/00

Traffic control systems for aircraft

Introduced: September 1968

Additional Content IPC

Glossary

air traffic control (ATC) is a service provided by ground-based controllers who direct aircraft on the ground and in the air

Limiting references

Landing aids fitted in or to aircraft; safety measures fitted in or to aircraft to prevent collision with earth’s surface Visual or acoustic landing aids on the ground or on aircraft-carrier decks

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2025.

Child Classifications

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  • G08G 5/80 Anti-collision systems since 2025 IPC+CPC Available in IPC and CPC
  • G08G 5/90 specially adapted for urban air mobility [UAM] since 2025 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class G08,2013–2023, worldwide · Source: EPO PATSTAT

  1. TOYOTA MOTOR CORPORATION 6,781
  2. SGCC(STATE GRID CORPORATION OF CHINA) 5,954
  3. ROBERT BOSCH DE 3,656
  4. DENSO CORPORATION 3,452
  5. HONDA MOTOR COMPANY 2,945
  6. DENSO CORPORATION JP 2,562
  7. HONEYWELL INTERNATIONAL US 2,517
  8. TOYOTA MOTOR CORPORATION JP 2,435
  9. FORD GLOBAL TECHNOLOGIES US 2,239
  10. PANASONIC INTELLECTUAL PROPERTY 2,119

Top Applicants (CPC)

Class G08,2013–2023, worldwide · Source: EPO PATSTAT

  1. ROBERT BOSCH DE 3,999
  2. TOYOTA MOTOR CORPORATION 3,488
  3. TOYOTA MOTOR CORPORATION JP 3,377
  4. FORD GLOBAL TECHNOLOGIES US 3,103
  5. DENSO CORPORATION JP 2,964
  6. HONEYWELL INTERNATIONAL US 2,873
  7. HYUNDAI MOTOR COMPANY KR 2,343
  8. NISSAN MOTOR COMPANY JP 2,265
  9. SGCC(STATE GRID CORPORATION OF CHINA) 2,247
  10. SAMSUNG ELECTRONICS COMPANY KR 2,132