CPC Main Group
E04F 19/00 Other details of constructional parts for finishing work on buildings (ladders, e.g. climbing irons, E06C9/04)
4 direct subcodes
Child Classifications
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- E04F 19/02 Borders; Finishing strips, e.g. beadings; Light coves (for protecting edges of plaster E04F13/06)
- E04F 19/08 Built-in cupboards; Masks of niches; Covers of holes enabling access to installations ( clean-out doors of chimneys F23J)
- E04F 19/10 Built-in gratings, e.g. foot-scrapers
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