Field briefing
E04B · General building constructions
General building constructions; walls, e.g. partitions; roofs; floors; ceilings; insulation or other protection of buildings. Patents classified in CPC E04B, part of Construction and mining.
Dates, owners, statuses and filings come from the published records. Derived views are counted from them. Highlighted text is a plain-English AI reading, written from a patent's title and abstract. Legal statuses and expiry dates are estimates, not legal advice.
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Newest patents in E04B · General building constructions
6 patents imported from the European Patent Office; newest published 2026-09-03; most active companies: AGC Inc, Guangzhou Huasen Building AND ENG Design Consultants Co Ltd, Hunan Hangwu ENG Co Ltd.
- ELECTROMAGNETIC WAVE SHIELDING DEVICE AND MOVABLE BOOTH WO2026181797A1, published 2026-09-03
- 一种基于模块化建筑的防雷结构 CN122649526A, published 2026-08-28
- 一种高强度铝合金通信塔及其配方 CN122649625A, published 2026-08-28
- Water diversion and lightning protection integrated stepped roof and installation method thereof CN121575883A, published 2026-02-27
- Assembly type gas film bin and assembly method thereof CN120592349A, published 2025-09-05
- Lightning-proof and animal-proof shelter for grazing and living CN120575725A, published 2025-09-02
Most active companies
Counted over the newest 6 imported patents in this industry.
- AGC Inc 1 patent
- Guangzhou Huasen Building AND ENG Design Consultants Co Ltd 1 patent
- Hunan Hangwu ENG Co Ltd 1 patent
- Nagqu Science AND Tech Innovation Development Association 1 patent
- Naqu Public Utilities Group Co Ltd 1 patent
- Zhengzhou Jingtong Auto Parts Co Ltd 1 patent
- Zhongcheng Space Shenzhen Intelligent Tech Co Ltd 1 patent
- 中建三局（深圳）科创有限公司 1 patent