CPC Subgroup
B63B 3/14 Hull parts (hull armour B63B3/10)
Full Title
Hulls characterised by their structure or component parts (non-metallic hulls B63B5/00; designing, building, maintaining or repairing methods B63B71/00 - B63B83/00) > Hull parts (hull armour B63B3/10)
16 direct subcodes
Child Classifications
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- B63B 3/16 Shells (ports or closures therefor B63B19/00)
- B63B 3/26 Frames
- B63B 3/38 Keels (movable keels B63B41/00)
- B63B 3/40 Stern posts; Stern frames
- B63B 3/42 Shaft brackets
- B63B 3/44 Bilge keels (stabilising aspect B63B39/06)
- B63B 3/46 Stems
- B63B 3/48 Decks (planking B63B5/06)
- B63B 3/56 Bulkheads; Bulkhead reinforcements (arrangements of watertight doors B63B43/24)
- B63B 3/62 Double bottoms; Tank tops
- B63B 3/66 Gratings
- B63B 3/68 Panellings; Linings, e.g. for insulating purposes
- B63B 3/70 Reinforcements for carrying localised loads, e.g. propulsion plant, guns
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