E06B 3/66 Units comprising two or more parallel glass or like panes permanently secured together
Full Title
Window sashes, door leaves, or like elements for closing openings; Layout of fixed or moving closures, e.g. windows ; Features of rigidly-mounted outer frames relating to the mounting of wing frames (E06B5/00 takes precedence; shutters or the like E06B9/00; glass panes C03) > Units comprising two or more parallel glass or like panes permanently secured together
Filing statistics
CPC E06B 3/66 belongs to the parent subclass E06B, which recorded 94,488 patent applications worldwide between 2013 and 2023. Annual filings declined from 6,576 in 2013 to 6,204 in 2023 (-6%), peaking at 11,587 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
9 direct subcodes
Child Classifications
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- E06B 3/663 Elements for spacing panes
- E06B 3/67 characterised by additional arrangements or devices for heat or sound insulation
- E06B 3/673 Assembling the units (E06B3/677 takes precedence )
- E06B 3/677 Evacuating or filling the gap between the panes ; Preventing condensation in the gap between the panes (by means of spacing elements E06B3/663); Cleaning the gap between the panes
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