IPC Subgroup
B63B 19/12 Hatches; Hatchways
Introduced: September 1968
Last revised: January 2006
Full Title
Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers > Hatches; Hatchways
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- Subclass:
- SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
Additional Content
Hatchway Hatchways A square or oblong opening in the deck of a ship through which cargo can be lowered into the hold.
Related Keywords
HATCHES for water-borne vessels
5 direct subcodes
Child Classifications
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- B63B 19/14 Hatch covers
- B63B 19/22 Hatch beams
- B63B 19/24 Hatch fastenings, e.g. cleats
- B63B 19/26 Gaskets; Draining means
- B63B 19/28 Other safety devices
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