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DIFF Subgroup
B63B 19/12

Hatches; Hatchways (hatch coamings B63B3/54)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Hatches; Hatchways

CPC: Hatches; Hatchways (hatch coamings B63B3/54)

Full Title

Full titles differ between systems:

IPC:

Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers > Hatches; Hatchways

CPC:

Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers (scuppers B63B13/00; arrangements of watertight doors in bulkheads B63B43/24) > Hatches; Hatchways (hatch coamings B63B3/54)

Additional Content IPC

Hatchway Hatchways A square or oblong opening in the deck of a ship through which cargo can be lowered into the hold.

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B63B 19/22 Hatch beams IPC+CPC Available in IPC and CPC
  • B63B 19/26 Gaskets; Draining means IPC+CPC Available in IPC and CPC
  • B63B 19/28 Other safety means 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