B63C 11/00 Equipment for dwelling or working underwater; Means for searching for underwater objects (composition of chemical substances for use in breathing apparatus A62D9/00; swimming aids or equipment A63B31/00 - A63B35/00; submarines B63G8/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Equipment for dwelling or working under water; Means for searching for underwater objects
CPC: Equipment for dwelling or working underwater; Means for searching for underwater objects (composition of chemical substances for use in breathing apparatus A62D9/00; swimming aids or equipment A63B31/00 - A63B35/00; submarines B63G8/00)
Full Title
Full titles differ between systems:
Equipment for dwelling or working under water; Means for searching for underwater objects
Equipment for dwelling or working underwater; Means for searching for underwater objects (composition of chemical substances for use in breathing apparatus A62D9/00; swimming aids or equipment A63B31/00 - A63B35/00; submarines B63G8/00)
Of 6 combined children, 5 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B63C 11/34 Diving chambers with mechanical link, e.g. cable, to a base (manipulators B25J; diving chambers without mechanical link to a base B63G8/00; caissons adapted to laying foundations E02D23/00 - E02D27/00) IPC+CPC Available in IPC and CPC
- B63C 11/46 Divers' sleds or like craft, i.e. craft on which man in diving-suit rides IPC+CPC Available in IPC and CPC
- B63C 11/48 Means for searching for underwater objects (means for indicating the location of sunken objects B63C7/26; locating by use of the reflection or reradiation of radio or other waves G01S ) IPC+CPC Available in IPC and CPC
- B63C 11/52 Tools specially adapted for working underwater, not otherwise provided for since 1980 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