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IPC Subgroup
E06C 5/26

with non-rigid longitudinal members

Introduced: September 1968

Last revised: January 2006

Full Title

Ladders characterised by being mounted on undercarriages or vehicles; Securing ladders on vehicles > with non-rigid longitudinal members

Classification Context

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

2 direct subcodes

Child Classifications

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  • E06C 5/28 of the lazy-tongs type
  • E06C 5/3 formed of links which reinforce themselves against each other

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