CPC Subgroup
E04B 5/02 Load-carrying floor structures formed substantially of prefabricated units (E04B5/43 - E04B5/48 take precedence)
Full Title
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) > Load-carrying floor structures formed substantially of prefabricated units (E04B5/43 - E04B5/48 take precedence)
7 direct subcodes
Child Classifications
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- E04B 5/04 with beams of concrete or other stone-like material, e.g. asbestos cement (E04B5/08, E04B5/14 take precedence)
- E04B 5/08 assembled of block-shaped elements, e.g. hollow stones (E04B5/14 takes precedence; floors composed of reinforced brickwork E04B5/44)
- E04B 5/10 with metal beams or girders, e.g. with steel lattice girders (E04B5/14 takes precedence)
- E04B 5/12 with wooden beams (E04B5/14 takes precedence)
- E04B 5/14 with beams or girders laid in two directions
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