G08 SIGNALLING
Description
G08 encompasses signalling systems and apparatus for transmitting, receiving, or indicating signals for control, alarm, or communication purposes. This class covers a broad range of technologies including burglar and fire alarms, traffic control signals, level indicators, weighing devices with signalling functions, and telemetering systems. The classification includes both the signalling equipment itself and the associated transmission mechanisms (electrical, mechanical, or optical), but excludes telecommunications systems and broadcasting covered by H classes and specific signalling applications in railway, maritime, or aviation contexts covered under their respective domain classes.
Filing statistics
CPC G08 recorded 429,317 patent applications worldwide between 2013 and 2023, summed across its 3 subclasses. Annual filings grew from 18,416 in 2013 to 36,910 in 2023 (+100%), peaking at 52,258 applications in 2020. The most active applicants in class G08 are ROBERT BOSCH (3,999 applications), TOYOTA MOTOR CORPORATION (3,488 applications) and TOYOTA MOTOR CORPORATION (3,377 applications).
Source: EPO PATSTAT, worldwide filings
3 direct subcodes
Child Classifications
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- G08B SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS (fluid pressure transmitting systems F15B; mechanical means for transferring the output of a sensing member into a different variable G01D5/00; mechanical control systems G05G)
- G08G TRAFFIC CONTROL SYSTEMS (guiding railway traffic, ensuring the safety of railway traffic B61L; arrangement of road signs or traffic signals E01F9/00; radar or analogous systems, sonar systems, lidar systems specially adapted for traffic control G01S13/91, G01S15/88, G01S17/88; )
Top Applicants
Top 10 applicants by patent filings, 2013–2023, worldwide · Source: EPO PATSTAT
- ROBERT BOSCH DE 3,999
- TOYOTA MOTOR CORPORATION 3,488
- TOYOTA MOTOR CORPORATION JP 3,377
- FORD GLOBAL TECHNOLOGIES US 3,103
- DENSO CORPORATION JP 2,964
- HONEYWELL INTERNATIONAL US 2,873
- HYUNDAI MOTOR COMPANY KR 2,343
- NISSAN MOTOR COMPANY JP 2,265
- SGCC(STATE GRID CORPORATION OF CHINA) 2,247
- SAMSUNG ELECTRONICS COMPANY KR 2,132