Air-catching equipment related to windows or port-holes (ventilation B63J2/00)

Full Title

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) > Air-catching equipment related to windows or port-holes (ventilation B63J2/00)

1 direct subcode

Child Classifications

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B63B 19/06 readily detachable

Top Applicants

Top 10 applicants by patent filingsfor 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