E06B 3/263 Frames with special provision for insulation
Introduced: January 1995
Full Title
Full titles differ between systems:
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 > Wing frames not characterised by the manner of movement > Frames with special provision for insulation
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) > Wing frames not characterised by the manner of movement (features relating to the manner of movement E06B3/32) > Frames with special provision for insulation
CPC subdivides this area 6x more granularly than IPC with 14 additional codes.
14 codes are CPC-only extensions.
Note: 5 CPC extensions are marked as secondary classification only.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- E06B 3/267 with insulating elements formed in situ since 1995 +1 CPC IPC+CPC Available in IPC and CPC
- E06B 3/273 with prefabricated insulating elements held in position by deformation of portions of the frame members since 1995 +1 CPC IPC+CPC Available in IPC and CPC
- E06B 3/277 with prefabricated insulating elements held in position by expansion of the insulating elements since 1995 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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