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PCE
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DIFF Subgroup
E06B 5/12

against air pressure, explosion, or gas

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Doors, windows, or like closures for special purposes; Border constructions therefor > for protection against air-raid or other war-like action; for other protective purposes > against air pressure, explosion, or gas

CPC:

Doors, windows, or like closures for special purposes ; Border constructions therefor > for protection against air-raid or other war-like action; for other protective purposes > against air pressure, explosion, or gas

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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  • E06B 5/125 CPC only CPC only
  • E06B 5/14 Gasproof doors or similar closures; Adaptation of fixed constructions therefor IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class E06,2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 1,398
  2. YKK AP 1,252
  3. LIXIL CORPORATION 1,235
  4. SAINT-GOBAIN GLASS FR 1,133
  5. BUNKA SHUTTER COMPANY 839
  6. HUNTER DOUGLAS US 812
  7. SANKYOTATEYAMA 796
  8. SANWA SHUTTER CORPORATION 699
  9. VKR HOLDING DK 579
  10. VIEW US 557

Top Applicants (CPC)

Class E06,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAINT-GOBAIN GLASS FR 1,388
  2. HUNTER DOUGLAS US 874
  3. VIEW US 763
  4. VKR HOLDING DK 627
  5. GUARDIAN GLASS US 460
  6. PANASONIC INTELLECTUAL PROPERTY JP 426
  7. LG ELECTRONICS KR 406
  8. SOMFY ACTIVITES FR 368
  9. SGCC(STATE GRID CORPORATION OF CHINA) 353
  10. AGC GLASS EUROPE BE 350