IPC Main Group
B63G 8/00 Underwater vessels, e.g. submarines
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- Subclass:
- OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
Related Keywords
submarinesSUBMARINESUNDERWATER vessels or submarines
9 direct subcodes
Child Classifications
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- B63G 8/04 Superstructure
- B63G 8/08 Propulsion
- B63G 8/14 Control of attitude or depth
- B63G 8/28 Arrangement of offensive or defensive equipment
- B63G 8/36 Adaptations of ventilation, cooling, heating, or air-conditioning
- B63G 8/38 Arrangement of visual or electronic watch equipment, e.g. of periscopes, of radar
- B63G 8/39 Arrangements of sonic watch equipment, e.g. low-frequency, sonar
- B63G 8/4 Rescue equipment for personnel
- B63G 8/42 Towed underwater vessels
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