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CPC Subgroup
B63B 34/50

Body-supporting buoyant devices, e.g. bathing boats or water cycles (swimming aids A63B31/00)

Full Title

Vessels specially adapted for water sports or leisure; Body-supporting devices specially adapted for water sports or leisure (water sports boards B63B32/00; swimming frameworks A63B35/00; propulsion arrangements actuated by muscle power B63H16/00) > Body-supporting buoyant devices, e.g. bathing boats or water cycles (swimming aids A63B31/00)

4 direct subcodes

Child Classifications

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  • B63B 34/52 Inflatable or partly inflatable
  • B63B 34/54 specially adapted for being towed, e.g. banana boats, water sledges or towed buoys (arrangements for towing B63B34/60)
  • B63B 34/56 for use in a standing position, e.g. water shoes, water walking devices or buoyant skis
  • B63B 34/565 Accessories, e.g. sticks for water walking

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