B63B 19/14 Hatch covers (opening devices in general E05F)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Hatch covers
CPC: Hatch covers (opening devices in general E05F)
Full Title
Full titles differ between systems:
Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers > Hatches; Hatchways > Hatch covers
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) > Hatches; Hatchways (hatch coamings B63B3/54) > Hatch covers (opening devices in general E05F)
Of 5 combined children, 4 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.
Child Classifications
Navigate with arrow keys, Enter to open
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