CPC Subgroup
B63B 22/24 container type, i.e. having provision for the storage of material
Full Title
Buoys ( means for indicating the location of underwater objects B63C7/26; life-buoys, e.g. rings B63C9/08; ) > container type, i.e. having provision for the storage of material
2 direct subcodes
Child Classifications
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- B63B 22/26 having means to selectively release contents, e.g. swivel couplings ( arrangements between ships and off-shore structures for loading or unloading, using pipe lines B63B27/34; pipe joints or couplings, in general F16L)
- B63B 22/28 submerged when not in use
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