Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Main Group
B63B 73/00

Building or assembling vessels or marine structures, e.g. hulls or offshore platforms

Introduced: January 2020

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
Subclass:
SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING

7 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • B63B 73/1 Building or assembling vessels from prefabricated hull blocks, i.e. complete hull cross-sections
  • B63B 73/2 Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
  • B63B 73/3 Moving or transporting modules or hull blocks to assembly sites, e.g. by rolling, lifting or floating
  • B63B 73/5 characterised by forming methods, e.g. manufacturing of curved blocks
  • B63B 73/6 characterised by the use of specific tools or equipment; characterised by automation, e.g. use of robots

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