IPC Subgroup
B63B 19/02 Windows specially adapted for ships or other waterborne vessels, e.g. clear-view screens or portholes
Introduced: September 1968
Last revised: January 2006
Full Title
Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers > Windows specially adapted for ships or other waterborne vessels, e.g. clear-view screens or portholes
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
Clear-view screen clear-view screens A glass disk mounted in a window, usually on the bridge of a ship, that rotates at high speed to disperse rain, spray, and snow, typically driven at the centre of the screen.
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