IPC Main Group
B63B 35/00 Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
Introduced: September 1968
Last revised: January 2020
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- Subclass:
- SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
Additional Content
Pontoon Pontoons A stationary floating structure, typically used for support purposes, e.g. landing stages.
14 direct subcodes
Child Classifications
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- B63B 35/03 Pipe-laying vessels
- B63B 35/04 Cable-laying vessels
- B63B 35/08 Ice-breakers
- B63B 35/14 Fishing vessels
- B63B 35/28 Barges or lighters
- B63B 35/32 for collecting pollution from open water
- B63B 35/34 Pontoons
- B63B 35/4 for transporting marine vessels
- B63B 35/44 Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B 35/5 Vessels or floating structures for aircraft
- B63B 35/54 Ferries
- B63B 35/56 Lightships
- 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
- B63B 35/66 Tugs
Top Applicants
Top 10 applicants by patent filingsfor class B63, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG HEAVY INDUSTRIES KR 5,719
- DAEWOO SHIPBUILDING & MARINE ENGINEERING COMPANY KR 4,684
- HYUNDAI HEAVY INDUSTRIES COMPANY KR 3,015
- ZHEJIANG OCEAN UNIVERSITY 1,359
- HUDONG-ZHONGHUA SHIPBUILDING (GROUP) COMPANY 1,221
- HARBIN ENGINEERING UNIVERSITY 1,175
- SHANGHAI WAIGAOQIAO SHIPBUILDING COMPANY 1,129
- CSSC HUANGPU WENCHONG SHIPBUILDING COMPANY 1,113
- GUANGZHOU SHIPYARD INTERNATIONAL COMPANY 1,073
- JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY 963