CPC Subgroup
B63B 13/02 Ports for passing water through vessels' sides
Full Title
Conduits for emptying or ballasting; Self-bailing equipment; Scuppers (draining means for hatches B63B19/26; centrifugal bilge-water separators B04; pipes in general F16L) > Ports for passing water through vessels' sides
Top Applicants
Top 10 applicants by patent filingsfor class B63, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG HEAVY INDUSTRIES KR 4,830
- DAEWOO SHIPBUILDING & MARINE ENGINEERING COMPANY KR 4,093
- HYUNDAI HEAVY INDUSTRIES COMPANY KR 2,639
- GAZ TRANSPORT ET TECHNIGAZ FR 1,037
- SHANGHAI WAIGAOQIAO SHIPBUILDING COMPANY 827
- HARBIN ENGINEERING UNIVERSITY 811
- GUANGZHOU SHIPYARD INTERNATIONAL COMPANY 808
- HUDONG-ZHONGHUA SHIPBUILDING (GROUP) COMPANY 784
- YAMAHA MOTOR COMPANY JP 731
- THYSSEN KRUPP DE 727