Scaffolds essentially supported by building constructions, e.g. adjustable in height

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:: FIXED CONSTRUCTIONS
Class:: BUILDING
Subclass:: SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS

Filing statistics

IPC E04G 3/00 belongs to the parent subclass E04G, which recorded 299,044 patent applications worldwide between 2013 and 2023. Annual filings grew from 9,381 in 2013 to 46,676 in 2023 (+398%). The most active applicants in class E04 are CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION (6,575 applications), ZHEJIANG YASHA DECORATION COMPANY (4,488 applications) and SGCC(STATE GRID CORPORATION OF CHINA) (4,427 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

scaffolding PLATFORM(S)

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
E04G 3/2 supported by walls
E04G 3/22 supported by roofs or ceilings
E04G 3/24 specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
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 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