CPC Subgroup
B63H 23/02 with mechanical gearing
Full Title
Transmitting power from propulsion power plant to propulsive elements (adaptation of transmission to allow adjustment in direction of propellers B63H5/125; transmission between wind motors and propulsive elements B63H13/00; in outboard propulsion units B63H20/14; adaptation of transmission to allow adjustment of location of propellers B63H20/08) > with mechanical gearing
8 direct subcodes
Child Classifications
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- B63H 23/04 the main transmitting element, e.g. shaft, being substantially vertical
- B63H 23/06 for transmitting drive from a single propulsion power unit
- B63H 23/08 with provision for reversing drive
- B63H 23/10 for transmitting drive from more than one propulsion power unit
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