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DIFF Subgroup
E04F 13/072

composed of specially adapted, structured or shaped covering or lining elements

Introduced: January 2006

Full Title

Full titles differ between systems:

IPC:

Coverings or linings, e.g. for walls or ceilings > composed of covering or lining elements; Sub-structures therefor; Fastening means therefor > composed of specially adapted, structured or shaped covering or lining elements

CPC:

Coverings or linings, e.g. for walls or ceilings (flooring E04F15/00; decoration of surfaces, mosaic work B44, e.g. paper-hanging B44C7/00; made of webs, e.g. of fabrics or wallpaper D03D, D04G, D04H, D06N, D21H; construction of ceilings E04B9/00; roofings or similar water-tight coverings against precipitation E04D) > composed of covering or lining elements; Sub-structures therefor; Fastening means therefor > composed of specially adapted, structured or shaped covering or lining elements

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2006.

Child Classifications

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  • E04F 13/074 for accommodating service installations or utility lines, e.g. heating conduits, electrical lines, lighting devices or service outlets since 2006 IPC+CPC Available in IPC and CPC
  • E04F 13/075 for insulation or surface protection, e.g. against noise or impact since 2006 IPC+CPC Available in IPC and CPC
  • E04F 13/076 characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections since 2006 IPC+CPC Available in IPC and CPC
  • E04F 13/077 composed of several layers, e.g. sandwich panels (E04F13/075 takes precedence) since 2006 IPC+CPC Available in IPC and CPC
  • E04F 13/078 Stretched foil- or web-like elements attached with edge gripping devices since 2006 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