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IPC Subgroup
G08B 9/02

Details

Introduced: September 1968

Last revised: January 2006

Full Title

Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships > Details

Classification Context

Section:
PHYSICS
Class:
SIGNALLING
Subclass:
SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS

2 direct subcodes

Child Classifications

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  • G08B 9/04 Means for recording operation of the apparatus
  • G08B 9/06 Means for indicating disagreement between orders given and those carried out

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