CPC Main Group
B63B 21/00 Tying-up; Shifting, towing, or pushing equipment; Anchoring ( dynamic anchoring B63H25/00 )
12 direct subcodes
Child Classifications
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- B63B 21/02 Magnetic mooring equipment
- B63B 21/04 Fastening or guiding equipment for chains, ropes, hawsers, or the like
- B63B 21/16 using winches (winches per se B66D)
- B63B 21/18 Stoppers for anchor chains
- B63B 21/20 Adaptations of chains, ropes, hawsers, or the like, or of parts thereof
- B63B 21/22 Handling or lashing of anchors
- B63B 21/24 Anchors
- B63B 21/50 Anchoring arrangements for special vessels, e.g. for floating drilling platforms or dredgers
- B63B 21/54 Boat-hooks or the like
- B63B 21/56 Towing or pushing equipment (tugs B63B35/66; towing arrangements for water sports use B63B34/60)
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