- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 2/40 - Walls having cavities between, but not in, the elementsWalls of elements each consisting of two or more parts kept in distance by means of spacers, all parts being solid the walls being characterised by fillings in all cavities in order to form a wall construction
Patent holdings for IPC class E04B 2/40
Total number of patents in this class: 24
10-year publication summary
|
2
|
5
|
0
|
1
|
0
|
4
|
0
|
2
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| EPI 04, Inc. | 16 |
1 |
| Euromac 2 | 7 |
1 |
| Hertel Technical Services Limited | 1 |
1 |
| Innovative Building Technologies, LLC | 66 |
1 |
| Korea Hydro & Nuclear Power Co., Ltd. | 562 |
1 |
| Korea Power Engineering Company, Inc. | 11 |
1 |
| Mary, Denis | 2 |
1 |
| The Mattamy Corporation | 2 |
1 |
| Nelson Stud Welding, Inc. | 54 |
1 |
| Pontificia Universidad Catolica de Chile | 314 |
1 |
| Schöck Bauteile GmbH | 80 |
1 |
| Umm Al-qura University | 80 |
1 |
| WEINMANN Holzbausystemtechnik GmbH | 13 |
1 |
| Excel Project Management Ltd. | 3 |
1 |
| Hickory Design Pty Ltd | 14 |
1 |
| Mattamy Homes Limited | 72 |
1 |
| Grundland Farace, Eduardo Alberto | 3 |
1 |
| Rey Farias, Fernando | 1 |
1 |
| Occitanie Pierres | 2 |
1 |
| Starpartner Pty Ltd | 3 |
1 |
| Other owners | 4 |