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DIFF Subgroup
B63H 20/08

Means enabling movement of the position of the propulsion element, e.g. for trim, tilt or steering; Control of trim or tilt (initiating means for steering B63H25/02)

Introduced: January 1995

Title

Titles differ between systems:

IPC: Means enabling movement of the position of the propulsion element, e.g. for trim, tilt or steering; Control of trim or tilt

CPC: Means enabling movement of the position of the propulsion element, e.g. for trim, tilt or steering; Control of trim or tilt (initiating means for steering B63H25/02)

Full Title

Full titles differ between systems:

IPC:

Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels > Means enabling movement of the position of the propulsion element, e.g. for trim, tilt or steering; Control of trim or tilt

CPC:

Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels > Means enabling movement of the position of the propulsion element, e.g. for trim, tilt or steering; Control of trim or tilt (initiating means for steering B63H25/02)

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1995.

Child Classifications

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  • B63H 20/12 Means enabling steering since 1995 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B63,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG HEAVY INDUSTRIES KR 5,719
  2. DAEWOO SHIPBUILDING & MARINE ENGINEERING COMPANY KR 4,684
  3. HYUNDAI HEAVY INDUSTRIES COMPANY KR 3,015
  4. ZHEJIANG OCEAN UNIVERSITY 1,359
  5. HUDONG-ZHONGHUA SHIPBUILDING (GROUP) COMPANY 1,221
  6. HARBIN ENGINEERING UNIVERSITY 1,175
  7. SHANGHAI WAIGAOQIAO SHIPBUILDING COMPANY 1,129
  8. CSSC HUANGPU WENCHONG SHIPBUILDING COMPANY 1,113
  9. GUANGZHOU SHIPYARD INTERNATIONAL COMPANY 1,073
  10. JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY 963

Top Applicants (CPC)

Class B63,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG HEAVY INDUSTRIES KR 4,830
  2. DAEWOO SHIPBUILDING & MARINE ENGINEERING COMPANY KR 4,093
  3. HYUNDAI HEAVY INDUSTRIES COMPANY KR 2,639
  4. GAZ TRANSPORT ET TECHNIGAZ FR 1,037
  5. SHANGHAI WAIGAOQIAO SHIPBUILDING COMPANY 827
  6. HARBIN ENGINEERING UNIVERSITY 811
  7. GUANGZHOU SHIPYARD INTERNATIONAL COMPANY 808
  8. HUDONG-ZHONGHUA SHIPBUILDING (GROUP) COMPANY 784
  9. YAMAHA MOTOR COMPANY JP 731
  10. THYSSEN KRUPP DE 727