DIFF Subgroup
B63B 22/04 anchoring arrangements
Introduced: January 1985
Title
Titles differ between systems:
IPC: Anchoring arrangements
CPC: anchoring arrangements
Full Title
Full titles differ between systems:
IPC:
Buoys > Anchoring arrangements
CPC:
Buoys ( means for indicating the location of underwater objects B63C7/26; life-buoys, e.g. rings B63C9/08; ) > anchoring arrangements
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1985.
Child Classifications
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- B63B 22/06 with means to cause the buoy to surface in response to a transmitted signal since 1985 IPC+CPC Available in IPC and CPC
- B63B 22/08 having means to release or urge to the surface a buoy on submergence thereof, e.g. to mark location of a sunken object since 1985 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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