G08B 19/00 Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- SIGNALLING
- Subclass:
- SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
Filing statistics
IPC G08B 19/00 belongs to the parent subclass G08B, which recorded 306,319 patent applications worldwide between 2013 and 2023. Annual filings grew from 14,077 in 2013 to 35,298 in 2023 (+151%), peaking at 41,214 applications in 2020. The most active applicants in class G08 are TOYOTA MOTOR CORPORATION (6,781 applications), SGCC(STATE GRID CORPORATION OF CHINA) (5,954 applications) and ROBERT BOSCH (3,656 applications).
Source: EPO PATSTAT, worldwide filings
Additional Content
Alarms, indicators or feed-disabling devices responsive to material breakage or exhaustion in mechanisms for manipulating page-width impression-transfer material, e.g. carbon paper Alarms, indicators or feed-disabling devices responsive to ink-ribbon breakage or exhaustion In rope- or cable-making machines, alarms or stop motions responsive to exhaustion or breakage of filamentary material fed from supply reels or bobbins
1 direct subcode
Child Classifications
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- G08B 19/02 Alarm responsive to formation or anticipated formation of ice
Top Applicants
Top 10 applicants by patent filingsfor class G08, 2013–2023, worldwide · Source: EPO PATSTAT
- TOYOTA MOTOR CORPORATION 6,781
- SGCC(STATE GRID CORPORATION OF CHINA) 5,954
- ROBERT BOSCH DE 3,656
- DENSO CORPORATION 3,452
- HONDA MOTOR COMPANY 2,945
- DENSO CORPORATION JP 2,562
- HONEYWELL INTERNATIONAL US 2,517
- TOYOTA MOTOR CORPORATION JP 2,435
- FORD GLOBAL TECHNOLOGIES US 2,239
- PANASONIC INTELLECTUAL PROPERTY 2,119