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PCE
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DIFF Subgroup
B63G 8/28

Arrangement of offensive or defensive equipment

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Underwater vessels, e.g. submarines > Arrangement of offensive or defensive equipment

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) > Arrangement of offensive or defensive equipment

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

4 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B63G 8/30 of artillery or missile launching means IPC+CPC Available in IPC and CPC
  • B63G 8/32 of torpedo-launching means (torpedo-launching means per se F41F3/00); of torpedo stores or handlers IPC+CPC Available in IPC and CPC
  • B63G 8/33 of mine-laying means (mine laying vessels other than submarines B63G6/00) since 1974 IPC+CPC Available in IPC and CPC
  • B63G 8/34 Camouflage (for other vessels B63G13/02; in general F41H3/00) 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