B63G 2008/105 Full Title
Underwater vessels, e.g. submarines; (submarine hulls B63B3/13; diving chambers with mechanical link, e.g. cable, to a base B63C11/34; divers' sleds B63C11/46; torpedoes F42B19/00) > Propulsion ( nuclear propulsion B63H21/18; submerged exhausting apparatus F01N13/12) > using steam plant
Filing statistics
CPC B63G 2008/105 belongs to the parent subclass B63G, which recorded 11,774 patent applications worldwide between 2013 and 2023. Annual filings grew from 681 in 2013 to 1,218 in 2023 (+79%), peaking at 1,275 applications in 2020. The most active applicants in class B63 are SAMSUNG HEAVY INDUSTRIES (4,830 applications), DAEWOO SHIPBUILDING & MARINE ENGINEERING COMPANY (4,093 applications) and HYUNDAI HEAVY INDUSTRIES COMPANY (2,639 applications).
Source: EPO PATSTAT, worldwide filings
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