CPC Main Group Additional Only
B63B 2201/00 Signalling devices
11 direct subcodes
Child Classifications
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- B63B 2201/02 Audible
- B63B 2201/04 Illuminating
- B63B 2201/10 Smoke producing
- B63B 2201/12 Reflecting means
- B63B 2201/14 Balloon
- B63B 2201/16 Radio
- B63B 2201/18 Sonar
- B63B 2201/20 Antenna or mast
- B63B 2201/22 Spread-open chemicals or other products
- B63B 2201/24 by means of bubbles
- B63B 2201/26 signalling anomalies, e.g. rupture of connection
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