Working measures on existing buildings, (; on foundations E02D35/00, E02D37/00; in connection with insulations E04B; subsequent or finishing work E04F)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Working measures on existing buildings

CPC: Working measures on existing buildings, (; on foundations E02D35/00, E02D37/00; in connection with insulations E04B; subsequent or finishing work E04F)

Full Title

Full titles differ between systems:

IPC:

Working measures on existing buildings

CPC:

Working measures on existing buildings, (; on foundations E02D35/00, E02D37/00; in connection with insulations E04B; subsequent or finishing work E04F)

Of 7 combined children, 4 exist in both systems.

3 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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E04G 23/002 +1 CPC CPC only CPC only
E04G 23/006 CPC only CPC only
E04G 23/008 CPC only CPC only
E04G 23/02 Repairing, e.g. filling cracks; Restoring; Altering; Enlarging +10 CPC −1 IPC IPC+CPC Available in IPC and CPC
E04G 23/04 Propping of endangered or damaged buildings or building parts, e.g. with respect to air-raid action (struts E04G25/00) IPC+CPC Available in IPC and CPC
E04G 23/06 Separating, lifting, removing of buildings; Making a new sub-structure +1 CPC IPC+CPC Available in IPC and CPC
E04G 23/08 Wrecking of buildings (of fences E04H17/26; ) +8 CPC IPC+CPC Available in IPC and CPC

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