IPC Subclass
B63J AUXILIARIES ON VESSELS
Introduced: September 1968
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- Subclass:
- 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.
Related Keywords
auxiliaries for SHIP(S)auxiliaries for water-borne VESSEL(S)
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
- B63J 3/00 Driving of auxiliaries
- B63J 4/00 Arrangements of installations for treating waste-water or sewage
- 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 5,719
- DAEWOO SHIPBUILDING & MARINE ENGINEERING COMPANY KR 4,684
- HYUNDAI HEAVY INDUSTRIES COMPANY KR 3,015
- ZHEJIANG OCEAN UNIVERSITY 1,359
- HUDONG-ZHONGHUA SHIPBUILDING (GROUP) COMPANY 1,221
- HARBIN ENGINEERING UNIVERSITY 1,175
- SHANGHAI WAIGAOQIAO SHIPBUILDING COMPANY 1,129
- CSSC HUANGPU WENCHONG SHIPBUILDING COMPANY 1,113
- GUANGZHOU SHIPYARD INTERNATIONAL COMPANY 1,073
- JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY 963