Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers (scuppers B63B13/00; arrangements of watertight doors in bulkheads B63B43/24)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers

CPC: Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers (scuppers B63B13/00; arrangements of watertight doors in bulkheads B63B43/24)

Full Title

Full titles differ between systems:

IPC:

Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers

CPC:

Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers (scuppers B63B13/00; arrangements of watertight doors in bulkheads B63B43/24)

Additional Content IPC

Porthole portholes A typically circular window in the side of a boat or ship.

Of 7 combined children, 4 exist in both systems.

3 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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B63B 19/02 Clear-view screens; IPC+CPC Available in IPC and CPC
B63B 19/04 Air-catching equipment related to windows or port-holes (ventilation B63J2/00) IPC+CPC Available in IPC and CPC
B63B 19/08 Ports or like openings in vessels' sides +2 CPC IPC+CPC Available in IPC and CPC
B63B 19/12 Hatches; Hatchways (hatch coamings B63B3/54) IPC+CPC Available in IPC and CPC
B63B 2019/0007 2nd only +2 CPC CPC only CPC only
B63B 2019/0053 2nd only +2 CPC CPC only CPC only
B63B 2019/0092 2nd only CPC only CPC only

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