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DIFF Subgroup
E04G 11/30

which are lifted from layer to layer by turning, tilting, or similar moving upwards about a horizontal axis

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs > for walls, e.g. curved > Movable forms; Movable forms for moulding cylindrical, conical, or hyperbolical structures; Templates serving as forms for positioning blocks or the like > Climbing forms, i.e. forms which are not in contact with the poured concrete during lifting from layer to layer > which are lifted from layer to layer by turning, tilting, or similar moving upwards about a horizontal axis

CPC:

Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs > for walls, e.g. curved (E04G11/04 takes precedence) > Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like (E04G11/04 takes precedence) > Climbing forms, i.e. forms which are not in contact with the poured concrete during lifting from layer to layer > which are lifted from layer to layer by turning, tilting, or similar moving upwards about a horizontal axis

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