E04B 5/00 Floors; Floor construction with regard to insulation; Connections specially adapted therefor (elements for floors, e.g. bricks, stones, filling bodies, girders, E04C; flooring as finishing work, insulation of flooring, sectional false floors, e.g. for computers E04F15/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Floors; Floor construction with regard to insulation; Connections specially adapted therefor
CPC: Floors; Floor construction with regard to insulation; Connections specially adapted therefor (elements for floors, e.g. bricks, stones, filling bodies, girders, E04C; flooring as finishing work, insulation of flooring, sectional false floors, e.g. for computers E04F15/00)
Full Title
Full titles differ between systems:
Floors; Floor construction with regard to insulation; Connections specially adapted therefor
Floors; Floor construction with regard to insulation; Connections specially adapted therefor (elements for floors, e.g. bricks, stones, filling bodies, girders, E04C; flooring as finishing work, insulation of flooring, sectional false floors, e.g. for computers E04F15/00)
IPC and CPC are identically structured here. All 6 subcodes exist in both systems.
6 shared codes have differing titles between IPC and CPC.
Child Classifications
Navigate with arrow keys, Enter to open
- E04B 5/02 Load-carrying floor structures formed substantially of prefabricated units (E04B5/43 - E04B5/48 take precedence) +2 CPC IPC+CPC Available in IPC and CPC
- E04B 5/16 Load-carrying floor structures wholly or partly cast or similarly formed in situ (E04B5/43 - E04B5/48 take precedence; floors merely characterised by the prefabricated elements E04C) IPC+CPC Available in IPC and CPC
- E04B 5/43 Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors (; extraordinary constructions in general E04B1/34) IPC+CPC Available in IPC and CPC
- E04B 5/44 Floors composed of stones, mortar, and reinforcing elements (with inserts of glass E04B5/46) IPC+CPC Available in IPC and CPC
- E04B 5/46 Special adaptation of floors for transmission of light, e.g. by inserts of glass (of ceilings E04B9/32, block-shaped elements E04C1/42; slab- or sheet-shaped elements E04C2/54; for roof covering E04D3/06) IPC+CPC Available in IPC and CPC
- E04B 5/48 Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating (in block-shaped elements E04C1/39; in slab- or sheet-shaped elements E04C2/52) 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