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DIFF Subgroup
E04G 21/24

Safety or protective measures preventing damage to building parts or finishing work during construction (as auxiliary structures for scaffolds E04G, )

Introduced: September 1968

Title

Titles differ between systems:

IPC: Safety or protective measures preventing damage to building parts or finishing work during construction

CPC: Safety or protective measures preventing damage to building parts or finishing work during construction (as auxiliary structures for scaffolds E04G, )

Full Title

Full titles differ between systems:

IPC:

Preparing, conveying, or working-up building materials or building elements; Other devices or measures for constructional work > Safety or protective measures preventing damage to building parts or finishing work during construction

CPC:

Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work (conveying in general B65G; lifting devices B66; working stone-like materials B28D; measuring instruments G01) > Safety or protective measures preventing damage to building parts or finishing work during construction (as auxiliary structures for scaffolds E04G, )

CPC subdivides this area 3x more granularly than IPC with 7 additional codes.

7 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • E04G 2021/248 2nd only CPC only CPC only
  • E04G 21/241 CPC only CPC only
  • E04G 21/242 CPC only CPC only
  • E04G 21/243 CPC only CPC only
  • E04G 21/245 CPC only CPC only
  • E04G 21/246 CPC only CPC only
  • E04G 21/247 CPC only CPC only
  • E04G 21/26 Strutting means for wall parts; Supports or the like, e.g. for holding in position prefabricated walls (E04G25/00 takes precedence; on existing buildings E04G23/04) IPC+CPC Available in IPC and CPC
  • E04G 21/28 against unfavourable weather influence IPC+CPC Available in IPC and CPC
  • E04G 21/30 against mechanical damage or dirt, e.g. guard covers of stairs IPC+CPC Available in 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