IPC Main Group
E04F 21/00 Implements for finishing work on buildings
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- BUILDING
- Subclass:
- FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
Related Keywords
DOOR(S) lifterstools for building structure FINISHINGdoor LIFTERSPLASTER(S) -working implements for building structuresTOOL(S) for finishing work on buildingsWORKING plaster in buildings
6 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- E04F 21/02 for applying plasticised masses to surfaces, e.g. plastering walls
- E04F 21/165 for finishing joints, e.g. implements for raking or filling joints, jointers
- E04F 21/18 for setting wall or ceiling slabs or plates
- E04F 21/2 for laying flooring
- E04F 21/26 for mounting staircases, e.g. tools for marking steps
- E04F 21/28 for glazing
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