E06 DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
Description
Class E06 encompasses the structural design, construction, and operation of door and window systems, including shutters and roller blinds used for closure, ventilation, light control, or security purposes. It covers the mechanical components, frames, hinges, fastening systems, and actuation mechanisms for these building elements. The class also includes portable or fixed ladders for access and climbing purposes. Adjacent specialized applications, such as doors or windows for specific industrial equipment or vehicles, are typically classified elsewhere in their respective technical fields.
Filing statistics
CPC E06 recorded 103,859 patent applications worldwide between 2013 and 2023, summed across its 2 subclasses. Annual filings declined from 7,182 in 2013 to 6,894 in 2023 (-4%), peaking at 12,675 applications in 2018. The most active applicants in class E06 are SAINT-GOBAIN GLASS (1,388 applications), HUNTER DOUGLAS (874 applications) and VIEW (763 applications).
Source: EPO PATSTAT, worldwide filings
2 direct subcodes
Child Classifications
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- E06B FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES (shades or blinds for greenhouses A01G9/22; curtains A47H; lids for car boots or bonnets B62D25/10; skylights E04B7/18; sunshades, awnings E04F10/00)
- 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)
Top Applicants
Top 10 applicants by patent filings, 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