E04F 15/00 Flooring (stair treads E04F11/104; coverings not specially adapted for floors E04F13/00; borders, skirtings E04F19/02; gratings for cleaning soles of footwear A47L23/24; of similar materials to roads E01C; basic or rough floors E04B5/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Flooring
CPC: Flooring (stair treads E04F11/104; coverings not specially adapted for floors E04F13/00; borders, skirtings E04F19/02; gratings for cleaning soles of footwear A47L23/24; of similar materials to roads E01C; basic or rough floors E04B5/00)
Full Title
Full titles differ between systems:
Flooring
Flooring (stair treads E04F11/104; coverings not specially adapted for floors E04F13/00; borders, skirtings E04F19/02; gratings for cleaning soles of footwear A47L23/24; of similar materials to roads E01C; basic or rough floors E04B5/00)
IPC and CPC are identically structured here. All 5 subcodes exist in both systems.
5 shared codes have differing titles between IPC and CPC.
Child Classifications
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- E04F 15/02 Flooring or floor layers composed of a number of similar elements (of webs E04F15/16) +9 CPC IPC+CPC Available in IPC and CPC
- E04F 15/12 Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo (inorganic or bituminous masses C04B; organic plastic masses C08L) +2 CPC IPC+CPC Available in IPC and CPC
- E04F 15/16 Flooring, e.g. parquet on flexible web, laid as flexible webs; Webs specially adapted for use as flooring; (resiliently-mounted floors, e.g. sprung floors, E04F15/22; linoleum D06N; ) +2 CPC IPC+CPC Available in IPC and CPC
- E04F 15/18 Separately-laid insulating layers; Other additional insulating measures; Floating floors (insulating of buildings in general E04B1/62) +6 CPC IPC+CPC Available in IPC and CPC
- E04F 15/22 Resiliently-mounted floors, e.g. sprung floors (laid as webs E04F15/16) +1 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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