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CPC Subgroup
B63G 8/28

Arrangement of offensive or defensive equipment

Full Title

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

4 direct subcodes

Child Classifications

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

Top Applicants

Top 10 applicants by patent filingsfor 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