CPC Subgroup
B63G 9/02 Means for protecting vessels against torpedo attack (armoured hulls B63B3/10)
Full Title
Other offensive or defensive arrangements on vessels against submarines, torpedoes, or mines > Means for protecting vessels against torpedo attack (armoured hulls B63B3/10)
1 direct subcode
Child Classifications
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- B63G 9/04 Nets or the like (net barriers for harbour defence F41H11/00)
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