E04G 11/20 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)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Movable forms; Movable forms for moulding cylindrical, conical, or hyperbolical structures; Templates serving as forms for positioning blocks or the like
CPC: 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)
Full Title
Full titles differ between systems:
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
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)
IPC and CPC are identically structured here. All 5 subcodes exist in both systems.
4 shared codes have differing titles between IPC and CPC.
Child Classifications
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- E04G 11/22 Sliding forms raised continuously or step-by-step and being in contact with the poured concrete during raising ; Arrangements of lifting means therefor IPC+CPC Available in IPC and CPC
- E04G 11/26 the sheathing of which consists of ribbons, endless aprons or the like, guided by driven rollers IPC+CPC Available in IPC and CPC
- E04G 11/28 Climbing forms, i.e. forms which are not in contact with the poured concrete during lifting from layer to layer IPC+CPC Available in IPC and CPC
- E04G 11/32 Tiltable forms or tilting tables for making walls as a whole or in parts in situ IPC+CPC Available in IPC and CPC
- E04G 11/34 Horizontally-travelling moulds for making walls blockwise or section-wise (E04G11/26 takes precedence) 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