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IPC Subgroup
E06B 5/12

against air pressure, explosion, or gas

Introduced: September 1968

Last revised: January 2006

Full Title

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

Classification Context

Section:
FIXED CONSTRUCTIONS
Class:
DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS, IN GENERAL; LADDERS
Subclass:
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES

Related Keywords

AIR or gas-tight doors or windows

1 direct subcode

Child Classifications

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  • E06B 5/14 Gasproof doors or similar closures; Adaptation of fixed constructions therefor

Top Applicants

Top 10 applicants by patent filingsfor 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