IPC Subgroup
E04F 21/02 for applying plasticised masses to surfaces, e.g. plastering walls
Introduced: September 1968
Last revised: January 2006
Full Title
Implements for finishing work on buildings > for applying plasticised masses to surfaces, e.g. plastering walls
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- BUILDING
- Subclass:
- FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
Related Keywords
CEMENTING building surfacesCOATING building structures for finishingMOULD(S) for plastering buildingsPOINTING of brickworkSTUCCO application to building structures
3 direct subcodes
Child Classifications
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- E04F 21/04 Patterns or templates; Jointing rulers
- E04F 21/06 Implements for applying plaster, insulating material, or the like
- E04F 21/16 Implements for after-treatment of plaster or the like, e.g. smoothing tools, profile trowels
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