Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
E04G 23/04

Propping of endangered or damaged buildings or building parts, e.g. with respect to air-raid action (struts E04G25/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Propping of endangered or damaged buildings or building parts, e.g. with respect to air-raid action

CPC: Propping of endangered or damaged buildings or building parts, e.g. with respect to air-raid action (struts E04G25/00)

Full Title

Full titles differ between systems:

IPC:

Working measures on existing buildings > Propping of endangered or damaged buildings or building parts, e.g. with respect to air-raid action

CPC:

Working measures on existing buildings, (; on foundations E02D35/00, E02D37/00; in connection with insulations E04B; subsequent or finishing work E04F) > Propping of endangered or damaged buildings or building parts, e.g. with respect to air-raid action (struts E04G25/00)

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

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

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

Top Applicants (CPC)

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

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