DIFF Main Group
B63B 23/00 Equipment for handling lifeboats or the like
Introduced: September 1968
Additional Content IPC
Lifeboat lifeboats An open or covered boat, motorized or propelled by wind or muscle power, e.g. by oars, for rescue of crew and passengers at sea. Lifeboat-like craft A small auxiliary boat, e.g. dinghy, zodiac or jolly-boat, carried on a larger vessels, e.g. for providing access to the shore or for transfer to other vessels. Tackle A combination of pulley-blocks and a rope for facilitating hoisting or lowering of heavy bodies.
IPC and CPC are identically structured here. All 7 subcodes exist in both systems.
Child Classifications
Navigate with arrow keys, Enter to open
- B63B 23/02 Davits, i.e. devices having arms for lowering boats by cables or the like IPC+CPC Available in IPC and CPC
- B63B 23/70 Condition-responsive handling equipment, e.g. automatic release of boat from lowering tackle upon contact with water 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