CPC Main Group
E04G 3/00 Scaffolds essentially supported by building constructions, e.g. adjustable in height (E04G1/00 takes precedence )
5 direct subcodes
Child Classifications
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- E04G 3/18 supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings (E04G3/28 takes precedence)
- E04G 3/20 supported by walls (E04G3/28 takes precedence; wall-anchors for supporting scaffolds E04G5/04; consoles E04G5/06)
- E04G 3/22 supported by roofs or ceilings (E04G3/28 takes precedence)
- E04G 3/24 specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons (E04G3/28 takes precedence; )
- E04G 3/28 Mobile scaffolds; Scaffolds with mobile platforms
Top Applicants
Top 10 applicants by patent filingsfor 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