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DIFF Subgroup
B63G 8/14

Control of attitude or depth (of torpedoes F42B19/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Control of attitude or depth

CPC: Control of attitude or depth (of torpedoes F42B19/00)

Full Title

Full titles differ between systems:

IPC:

Underwater vessels, e.g. submarines > Control of attitude or depth

CPC:

Underwater vessels, e.g. submarines; (submarine hulls B63B3/13; diving chambers with mechanical link, e.g. cable, to a base B63C11/34; divers' sleds B63C11/46; torpedoes F42B19/00) > Control of attitude or depth (of torpedoes F42B19/00)

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B63G 8/16 by direct use of propellers or jets IPC+CPC Available in IPC and CPC
  • B63G 8/18 by hydrofoils IPC+CPC Available in IPC and CPC
  • B63G 8/20 Steering equipment (B63G8/16, B63G8/18 take precedence; steering of vessels in general B63H25/00) IPC+CPC Available in IPC and CPC
  • B63G 8/22 Adjustment of buoyancy by water ballasting; Emptying equipment for ballast tanks ( stabilising vessels using ballast tanks B63B43/06) IPC+CPC Available in IPC and CPC
  • B63G 8/24 Automatic depth adjustment; Safety equipment for increasing buoyancy, e.g. detachable ballast, floating bodies IPC+CPC Available in IPC and CPC
  • B63G 8/26 Trimming equipment 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