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IPC Subclass
G08G

TRAFFIC CONTROL SYSTEMS

Introduced: September 1968

Last revised: July 1974

Classification Context

Section:
PHYSICS
Class:
SIGNALLING
Subclass:
TRAFFIC CONTROL SYSTEMS

Description

G08G covers signalling systems and devices designed to regulate, direct, and manage traffic flow on roads, railways, waterways, and airways. It encompasses traffic lights, warning signals, collision avoidance systems, congestion management technologies, and automatic vehicle control devices. The subclass includes both infrastructure-based systems (fixed signals and sensors) and vehicle-integrated systems that communicate traffic information to drivers or autonomous vehicles. Related technologies for general alarm or warning systems are classified elsewhere under G08B.

Additional Content

Glossary

fleet designates (land, water, air or space) vehicles belonging to a group for a specific purpose and monitored by a common central station

Limiting references

Guiding railway traffic, ensuring the safety of railway traffic Radar or analogous systems, sonar systems or lidar systems specially adapted for traffic control , , Radar or analogous systems, sonar systems or lidar systems specially adapted for anti-collision purposes , , Control of position, course, altitude or attitude of land, water, air or space vehicles, not being specific to a traffic environment, e.g. automatic pilots

Related Keywords

preventing ACCIDENTS in road trafficindicating AVAILABILITY of parking spaceCIRCUITS for road traffic controlCONTROLLING of trafficRADAR used in traffic control systemscontrolling TRAFFIC

6 direct subcodes

Child Classifications

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  • G08G 99/00 Subject matter not provided for in other groups of this subclass

Top Applicants

Top 10 applicants by patent filingsfor 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