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IPC Subgroup
E06B 9/303

with ladder-tape

Introduced: September 1968

Last revised: January 2006

Full Title

Screening or protective devices for openings, with or without operating or securing mechanisms; Closures of similar construction > Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance > Lamellar or like blinds, e.g. venetian blinds > with horizontal lamellae, e.g. non-liftable > liftable > with ladder-tape

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

5 direct subcodes

Child Classifications

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  • E06B 9/304 with tilting bar and separate raising shaft
  • E06B 9/305 with tilting bar and raising cords guided along fixed bar
  • E06B 9/306 with tilting bar along which the raising cords are guided
  • E06B 9/307 Details of tilting bars or their operation
  • E06B 9/308 with coaxial tilting bar and raising shaft

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