Removable non-load-bearing partitions; Partitions with a free upper edge (framed panels E04C2/38)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Removable non-load-bearing partitions; Partitions with a free upper edge

CPC: Removable non-load-bearing partitions; Partitions with a free upper edge (framed panels E04C2/38)

Full Title

Full titles differ between systems:

IPC:

Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls > Removable non-load-bearing partitions; Partitions with a free upper edge

CPC:

Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls (connections for building structures in general E04B1/38; insulation for buildings in general E04B1/62; building elements of relatively thin form for parts of buildings E04C2/00) > Removable non-load-bearing partitions; Partitions with a free upper edge (framed panels E04C2/38)

CPC subdivides this area 5x more granularly than IPC with 11 additional codes.

11 codes are CPC-only extensions.

Note: 9 CPC extensions are marked as secondary classification only.

Child Classifications

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E04B 2/7401 +2 CPC CPC only CPC only
E04B 2/7407 +4 CPC CPC only CPC only
E04B 2/76 with framework or posts of metal +3 CPC IPC+CPC Available in IPC and CPC
E04B 2/80 with framework or posts of wood IPC+CPC Available in IPC and CPC
E04B 2/82 characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions +4 CPC IPC+CPC Available in IPC and CPC
E04B 2002/7461 2nd only +8 CPC CPC only CPC only
E04B 2002/7479 2nd only CPC only CPC only
E04B 2002/7481 2nd only CPC only CPC only
E04B 2002/7483 2nd only +1 CPC CPC only CPC only
E04B 2002/7487 2nd only CPC only CPC only
E04B 2002/7488 2nd only CPC only CPC only
E04B 2002/749 2nd only +1 CPC CPC only CPC only
E04B 2002/7496 2nd only CPC only CPC only
E04B 2002/7498 2nd only CPC only CPC only

Top Applicants

Top Applicants (IPC)

Class E04,2013–2023, worldwide · Source: EPO PATSTAT

CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION 6,575
ZHEJIANG YASHA DECORATION COMPANY 4,488
SGCC(STATE GRID CORPORATION OF CHINA) 4,427
CHINA CONSTRUCTION SECOND ENGINEERING BUREAU 4,352
CHINA MCC17 GROUP COMPANY 3,122
GOLD MANTIS FINE DECORATION TECHNOLOGY (SUZHOU) COMPANY 2,605
SHENYANG JIANZHU UNIVERSITY 2,420
CHINA CONSTRUCTION SEVENTH ENGINEERING DIVISION COMPANY 2,284
CHINA CONSTRUCTION FIFTH ENGINEERING DIVISION CORPORATION 2,008
CHINA CONSTRUCTION FIRST BUILDING (GROUP) CORPORATION 1,967

Top Applicants (CPC)

Class E04,2013–2023, worldwide · Source: EPO PATSTAT

CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION 1,675
CHINA MCC17 GROUP COMPANY 1,593
ZHEJIANG YASHA DECORATION COMPANY 1,551
SGCC(STATE GRID CORPORATION OF CHINA) 1,297
GOLD MANTIS FINE DECORATION TECHNOLOGY (SUZHOU) COMPANY 1,212
SHENYANG JIANZHU UNIVERSITY 926
VAELINGE INNOVATION SE 901
CHINA MCC5 GROUP CORPORATION 894
VKR HOLDING DK 854
SHANGHAI BAOYE GROUP CORPORATION 753