Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
B63B 3/32

Web frames; Web beams

Introduced: September 1968

Last revised: January 2006

Full Title

Hulls characterised by their structure or component parts > Hull parts > Frames > Web frames; Web beams

Classification Context

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

Additional Content

Web beam Web beams A strengthened beam built from plate-like webs and stiffening flanges. Web frame Web frames A strengthened frame built from plate-like high webs and stiffening flanges.

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