IPC Main Group
B63B 22/00 Buoys
Introduced: January 1985
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- Subclass:
- SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
Related Keywords
BUOYS
6 direct subcodes
Child Classifications
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- B63B 22/02 specially adapted for mooring a vessel
- B63B 22/04 Anchoring arrangements
- B63B 22/16 specially adapted for marking a navigational route
- B63B 22/18 having means to control attitude or position, e.g. reaction surfaces or tether
- B63B 22/22 Inflatable buoys with gas generating means
- B63B 22/24 container type, i.e. having provision for the storage of material
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