E06C LADDERS (E04F11/00 takes precedence; step-stools A47C12/00; adaptation of ladders to use on ships B63B, to use on aircraft B64; scaffolding E04G)
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.
4 direct subcodes
Child Classifications
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- E06C 1/00 Ladders in general (mounted on undercarriages or vehicles E06C5/00; permanently attached to fixed structures E06C9/00)
- E06C 5/00 Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles (ladders having wheels, rollers, or runners E06C1/397 )
- 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 (movable stairways E04F11/04 )
Top Applicants
Top 10 applicants by patent filingsfor class E06, 2013–2023, worldwide · Source: EPO PATSTAT
- SAINT-GOBAIN GLASS FR 1,388
- HUNTER DOUGLAS US 874
- VIEW US 763
- VKR HOLDING DK 627
- GUARDIAN GLASS US 460
- PANASONIC INTELLECTUAL PROPERTY JP 426
- LG ELECTRONICS KR 406
- SOMFY ACTIVITES FR 368
- SGCC(STATE GRID CORPORATION OF CHINA) 353
- AGC GLASS EUROPE BE 350