DIFF Main Group
E04H 15/00 Tents or canopies, in general
Introduced: January 1985
Of 12 combined children, 8 exist in both systems.
4 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1985.
Child Classifications
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- E04H 15/02 Tents combined or specially associated with other devices since 1985 IPC+CPC Available in IPC and CPC
- E04H 15/18 Tents having plural sectional covers, e.g. pavilions, vaulted tents, marquees, circus tents (inflatable E04H15/20); Plural tents, e.g. modular since 1985 IPC+CPC Available in IPC and CPC
- E04H 15/20 inflatable, e.g. shaped, strengthened or supported by fluid pressure since 1985 +6 CPC IPC+CPC Available in IPC and CPC
- E04H 15/26 Centre-pole supported tents (umbrella-type E04H15/28) since 1985 IPC+CPC Available in IPC and CPC
- E04H 15/30 convertible, e.g. from one type tent to another type tent, from tent to canopy or from tent cover into diverse articles since 1985 IPC+CPC Available in IPC and CPC
- E04H 15/32 Parts, components, construction details, accessories, interior equipment, specially adapted for tents, e.g. guy-line equipment, skirts, thresholds since 1985 +4 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