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IPC Subgroup
E06B 1/36

Frames uniquely adapted for windows

Introduced: September 1968

Last revised: January 2006

Full Title

Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings > Frames for doors, windows, or the like to be fixed in openings > Frames uniquely adapted for windows

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

2 direct subcodes

Child Classifications

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  • E06B 1/38 for shop-, show- or like large windows
  • E06B 1/4 Frames with parts removable to admit the glass

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