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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B63B 1/24

of hydrofoil type (hydrofoils for water sports boards B63B32/60; hydrofoils for other water sports body supporting devices B63B34/40)

Introduced: September 1968

Title

Titles differ between systems:

IPC: of hydrofoil type

CPC: of hydrofoil type (hydrofoils for water sports boards B63B32/60; hydrofoils for other water sports body supporting devices B63B34/40)

Full Title

Full titles differ between systems:

IPC:

Hydrodynamic or hydrostatic features of hulls or of hydrofoils > deriving additional lift from hydrodynamic forces > of hydrofoil type

CPC:

Hydrodynamic or hydrostatic features of hulls or of hydrofoils (hulls peculiar to submarines B63B3/13; keels B63B3/38) > deriving additional lift from hydrodynamic forces > of hydrofoil type (hydrofoils for water sports boards B63B32/60; hydrofoils for other water sports body supporting devices B63B34/40)

Additional Content IPC

Hydrofoils for water sports boards Hydrofoils for other water sports body supporting devices

CPC subdivides this area 3x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B63B 1/242 CPC only CPC only
  • B63B 1/244 CPC only CPC only
  • B63B 1/246 CPC only CPC only
  • B63B 1/248 CPC only CPC only
  • B63B 1/26 having more than one hydrofoil (B63B1/28 takes precedence) 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