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DIFF Subgroup
B63B 35/58

Rafts, i.e. free floating waterborne vessels, of shallow draft, with little or no freeboard, and having a platform or floor for supporting a user (lifeboats, life-rafts or the like B63C9/02)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Rafts, i.e. free floating waterborne vessels, of shallow draft, with little or no freeboard, and having a platform or floor for supporting a user

CPC: Rafts, i.e. free floating waterborne vessels, of shallow draft, with little or no freeboard, and having a platform or floor for supporting a user (lifeboats, life-rafts or the like B63C9/02)

Full Title

Full titles differ between systems:

IPC:

Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for > Rafts, i.e. free floating waterborne vessels, of shallow draft, with little or no freeboard, and having a platform or floor for supporting a user

CPC:

Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for > Rafts, i.e. free floating waterborne vessels, of shallow draft, with little or no freeboard, and having a platform or floor for supporting a user (lifeboats, life-rafts or the like B63C9/02)

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 1985.

Child Classifications

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  • B63B 35/607 having a platform or floor below the level of the buoyancy means, e.g. suspended basket type since 1985 IPC+CPC Available in IPC and CPC
  • B63B 35/613 with tubular shaped flotation members since 1985 IPC+CPC Available in IPC and CPC
  • B63B 35/62 formed from logs or the like since 1985 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class B63,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG HEAVY INDUSTRIES KR 4,830
  2. DAEWOO SHIPBUILDING & MARINE ENGINEERING COMPANY KR 4,093
  3. HYUNDAI HEAVY INDUSTRIES COMPANY KR 2,639
  4. GAZ TRANSPORT ET TECHNIGAZ FR 1,037
  5. SHANGHAI WAIGAOQIAO SHIPBUILDING COMPANY 827
  6. HARBIN ENGINEERING UNIVERSITY 811
  7. GUANGZHOU SHIPYARD INTERNATIONAL COMPANY 808
  8. HUDONG-ZHONGHUA SHIPBUILDING (GROUP) COMPANY 784
  9. YAMAHA MOTOR COMPANY JP 731
  10. THYSSEN KRUPP DE 727