IPC Main Group
B63C 11/00 Equipment for dwelling or working under water; Means for searching for underwater objects
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- Subclass:
- LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
Filing statistics
IPC B63C 11/00 belongs to the parent subclass B63C, which recorded 34,323 patent applications worldwide between 2013 and 2023. Annual filings grew from 1,822 in 2013 to 3,822 in 2023 (+110%), peaking at 3,998 applications in 2020. The most active applicants in class B63 are SAMSUNG HEAVY INDUSTRIES (5,719 applications), DAEWOO SHIPBUILDING & MARINE ENGINEERING COMPANY (4,684 applications) and HYUNDAI HEAVY INDUSTRIES COMPANY (3,015 applications).
Source: EPO PATSTAT, worldwide filings
Related Keywords
AIR -locks for diversunderwater RECOVERYequipment for working under the SEAequipment for UNDERWATER dwelling or working
5 direct subcodes
Child Classifications
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- B63C 11/02 Divers' equipment
- B63C 11/34 Diving chambers with mechanical link, e.g. cable, to a base
- B63C 11/46 Divers' sleds or like craft, i.e. craft on which man in diving-suit rides
- B63C 11/48 Means for searching for underwater objects
- B63C 11/52 Tools specially adapted for working underwater, not otherwise provided for
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