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IPC Subgroup
E06C 7/06

Securing devices or hooks for parts of extensible ladders

Introduced: September 1968

Last revised: January 2006

Full Title

Component parts, supporting parts, or accessories > Securing devices or hooks for parts of extensible ladders

Classification Context

Section:
FIXED CONSTRUCTIONS
Class:
DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS, IN GENERAL; LADDERS
Subclass:
LADDERS

Filing statistics

IPC E06C 7/06 belongs to the parent subclass E06C, which recorded 27,758 patent applications worldwide between 2013 and 2023. Annual filings grew from 1,298 in 2013 to 3,028 in 2023 (+133%), peaking at 3,728 applications in 2020. The most active applicants in class E06 are SGCC(STATE GRID CORPORATION OF CHINA) (1,398 applications), YKK AP (1,252 applications) and LIXIL CORPORATION (1,235 applications).

Source: EPO PATSTAT, worldwide filings

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