LADDERS

Introduced: September 1968

Last revised: January 1995

Classification Context

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

Description

E06C covers the design, construction, and mechanical features of ladders as climbing devices. This subclass encompasses portable and fixed ladders of various types, including straight ladders, step ladders, extension ladders, and specialized ladder designs with safety features or structural innovations. Coverage includes ladder materials, rungs, rails, hinges, locking mechanisms, and anti-slip devices, as well as ladder accessories that enhance stability or safety. Adjacent subclasses E06B and E06D address doors, windows, and shutters respectively, while more specialized climbing equipment or scaffolding systems may fall under different IPC sections.

Related Keywords

fire ESCAPE(S)(1) (for climbing)SCALING equipment, for climbing

4 direct subcodes

Child Classifications

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E06C 1/00 Ladders in general
E06C 5/00 Ladders characterised by being mounted on undercarriages or vehicles; Securing ladders on vehicles
E06C 7/00 Component parts, supporting parts, or accessories
E06C 9/00 Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes

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