Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Main Group
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

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

Navigate with arrow keys, Enter to open

  • 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

  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