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CPC Subgroup
B63C 9/18

Inflatable equipment characterised by the gas-generating device

Full Title

Life-saving in water (life-saving in general A62B; arrangement or adaptation of signalling or lighting devices for ships, other waterborne vessels or for equipment for shipping B63B45/00; rescue equipment specially adapted for submarine personnel B63G8/40) > Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like ( ; equipment for swimming A63B, e.g. swimming aids A63B31/00, ) > Inflatable equipment characterised by the gas-generating device

1 direct subcode

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  • B63C 9/19 Arrangements for puncturing gas-generating cartridges

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