CPC Subgroup
E04F 21/08 Mechanical implements (E04F21/14 takes precedence; spraying in general B05B; sand-blasting B24C)
Full Title
Implements for finishing work on buildings (for working or treating building elements of stone or stone-like material B28D) > for applying plasticised masses to surfaces, e.g. plastering walls (; specially for flooring E04F21/20; implements for painting or decorating B44; applying liquids or other fluent materials to surfaces, in general B05) > Implements for applying plaster, insulating material, or the like > Mechanical implements (E04F21/14 takes precedence; spraying in general B05B; sand-blasting B24C)
3 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- E04F 21/10 centrifugally acting
- E04F 21/12 acting by gas pressure, e.g. steam pressure
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