Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
B63B 43/16

Temporary equipment for stopping leaks, e.g. collision mats

Introduced: September 1968

Last revised: January 2006

Full Title

Improving safety of vessels, e.g. damage control, not otherwise provided for > reducing risk of capsizing or sinking > by improving buoyancy > Temporary equipment for stopping leaks, e.g. collision mats

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

Collision mat collision mats A large square of canvas, treated with a sealing agent and attached to lines at each corner, hauled over a damaged part of the hull to limit the inflow of water.

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