CPC Main Group
B63B 35/00 Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
21 direct subcodes
Child Classifications
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- B63B 35/03 Pipe-laying vessels (laying pipes under water F16L1/12)
- B63B 35/04 Cable-laying vessels
- B63B 35/08 Ice-breakers
- B63B 35/14 Fishing vessels (fishing A01K69/00 - A01K97/00)
- B63B 35/28 Barges or lighters
- B63B 35/32 for collecting pollution from open water
- B63B 35/34 Pontoons (floating bridges E01D15/14)
- B63B 35/40 for transporting marine vessels
- B63B 35/44 Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B 35/50 Vessels or floating structures for aircraft (aircraft carriers B63G11/00; flying-boat hulls, other flotation means for aircraft B64)
- B63B 35/54 Ferries (propulsion of chain ferries B63H)
- B63B 35/56 Lightships (marking of navigational route B63B51/00)
- B63B 35/58 Rafts, i.e. free floating waterborne vessels, of shallow draft, with little or no freeboard, and having a platform or floor for supporting a user (lifeboats, life-rafts or the like B63C9/02)
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