Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Main Group
B63J 3/00

Driving of auxiliaries

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
Subclass:
AUXILIARIES ON VESSELS

Filing statistics

IPC B63J 3/00 belongs to the parent subclass B63J, which recorded 12,759 patent applications worldwide between 2013 and 2023. Annual filings grew from 819 in 2013 to 1,438 in 2023 (+76%), peaking at 1,462 applications in 2022. The most active applicants in class B63 are SAMSUNG HEAVY INDUSTRIES (5,719 applications), DAEWOO SHIPBUILDING & MARINE ENGINEERING COMPANY (4,684 applications) and HYUNDAI HEAVY INDUSTRIES COMPANY (3,015 applications).

Source: EPO PATSTAT, worldwide filings

2 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • B63J 3/02 from propulsion power plant
  • B63J 3/04 from power plant other than propulsion power plant

Top Applicants

Top 10 applicants by patent filingsfor class B63, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG HEAVY INDUSTRIES KR 5,719
  2. DAEWOO SHIPBUILDING & MARINE ENGINEERING COMPANY KR 4,684
  3. HYUNDAI HEAVY INDUSTRIES COMPANY KR 3,015
  4. ZHEJIANG OCEAN UNIVERSITY 1,359
  5. HUDONG-ZHONGHUA SHIPBUILDING (GROUP) COMPANY 1,221
  6. HARBIN ENGINEERING UNIVERSITY 1,175
  7. SHANGHAI WAIGAOQIAO SHIPBUILDING COMPANY 1,129
  8. CSSC HUANGPU WENCHONG SHIPBUILDING COMPANY 1,113
  9. GUANGZHOU SHIPYARD INTERNATIONAL COMPANY 1,073
  10. JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY 963