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CPC Subgroup Additional Only
B63B 2221/24

by means that allow one or more degrees of translational freedom, e.g. telescopic joints, not otherwise provided for in this class

Full Title

Methods and means for joining members or elements > Joining substantially rigid elements together by means that allow one or more degrees of freedom, e.g. hinges, articulations, pivots, universal joints, telescoping joints, elastic expansion joints, not otherwise provided for in this class > by means that allow one or more degrees of translational freedom, e.g. telescopic joints, not otherwise provided for in this class

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