Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
G08B 29/20

Calibration, including self-calibrating arrangements

Full Title

Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation > Prevention or correction of operating errors (G08B29/02, G08B29/12 take precedence) > Calibration, including self-calibrating arrangements

2 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • G08B 29/22 Provisions facilitating manual calibration, e.g. input or output provisions for testing; Holding of intermittent values to permit measurement

Top Applicants

Top 10 applicants by patent filingsfor class G08, 2013–2023, worldwide · Source: EPO PATSTAT

  1. ROBERT BOSCH DE 3,999
  2. TOYOTA MOTOR CORPORATION 3,488
  3. TOYOTA MOTOR CORPORATION JP 3,377
  4. FORD GLOBAL TECHNOLOGIES US 3,103
  5. DENSO CORPORATION JP 2,964
  6. HONEYWELL INTERNATIONAL US 2,873
  7. HYUNDAI MOTOR COMPANY KR 2,343
  8. NISSAN MOTOR COMPANY JP 2,265
  9. SGCC(STATE GRID CORPORATION OF CHINA) 2,247
  10. SAMSUNG ELECTRONICS COMPANY KR 2,132