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IPC Subgroup
G05D 1/8

Arrangements for reacting to or preventing system or operator failure

Introduced: January 2024

Full Title

Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots > Arrangements for reacting to or preventing system or operator failure

Classification Context

Section:
PHYSICS
Class:
CONTROLLING; REGULATING
Subclass:
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES

Additional Content

Handing over between remote control and on-board control, or handing over between remote control arrangements

6 direct subcodes

Child Classifications

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  • G05D 1/81 Handing over between on-board automatic and on-board manual control
  • G05D 1/82 Limited authority control, e.g. enforcing a flight envelope
  • G05D 1/83 Limitation of acceleration or structural stress
  • G05D 1/85 Fail-safe operations, e.g. limp home mode
  • G05D 1/86 Monitoring the performance of the system, e.g. alarm or diagnosis modules
  • G05D 1/87 using redundant control arrangements

Top Applicants

Top 10 applicants by patent filingsfor class G05, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SIEMENS DE 4,725
  2. SGCC(STATE GRID CORPORATION OF CHINA) 4,571
  3. FANUC JP 4,233
  4. MITSUBISHI ELECTRIC CORPORATION JP 3,143
  5. FANUC 2,981
  6. ROBERT BOSCH DE 2,813
  7. CHINESE ACADEMY OF SCIENCES 2,500
  8. LG ELECTRONICS KR 2,182
  9. OMRON CORPORATION JP 2,036
  10. SAMSUNG ELECTRONICS COMPANY KR 1,981