movably mounted

Introduced: September 1968

Last revised: January 2006

Full Title

Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes > movably mounted

Classification Context

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

Filing statistics

IPC E06C 9/06 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

2 direct subcodes

Child Classifications

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E06C 9/08 with rigid longitudinal members
E06C 9/14 with non-rigid longitudinal members, e.g. rope or chain ladders, ladders of the lazy-tongs type

Top Applicants

Top 10 applicants by patent filingsfor class E06, 2013–2023, worldwide · Source: EPO PATSTAT

SGCC(STATE GRID CORPORATION OF CHINA) 1,398
YKK AP 1,252
LIXIL CORPORATION 1,235
SAINT-GOBAIN GLASS FR 1,133
BUNKA SHUTTER COMPANY 839
HUNTER DOUGLAS US 812
SANKYOTATEYAMA 796
SANWA SHUTTER CORPORATION 699
VKR HOLDING DK 579
VIEW US 557