CPC Subclass Not Allocatable
B63J AUXILIARIES ON VESSELS
Description
B63J encompasses auxiliary systems and equipment installed on ships and waterborne vessels to support primary operations. This subclass covers devices for vessel propulsion assistance, maneuvering, stabilization, and onboard utilities such as anchoring systems, mooring equipment, and auxiliary power generation. The classification includes technologies for improving vessel handling, safety, and operational efficiency but excludes primary hull structures (B63B) and main propulsion machinery (B63H), which are classified separately.
5 direct subcodes
Child Classifications
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- B63J 1/00 Arrangements of installations for producing fresh water, e.g. by evaporation and condensation of sea water
- B63J 2/00 Arrangements of ventilation, heating, cooling, or air-conditioning (for submarines B63G8/00; ventilating for cleaning tanks B63B57/04; for vehicles in general B60H)
- B63J 3/00 Driving of auxiliaries (transmission elements per se F16)
- B63J 4/00 Arrangements of installations for treating waste water, sewage, , or for preventing environmental pollution not otherwise provided for; ( soil-water discharges B63B29/16; )
- B63J 99/00 Subject matter not provided for in other groups of this subclass
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