- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 2/04 - Walls having neither cavities between, nor in, the solid elements
Patent holdings for IPC class E04B 2/04
Total number of patents in this class: 49
10-year publication summary
|
5
|
3
|
8
|
10
|
5
|
4
|
4
|
2
|
5
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fastbrick IP Pty Ltd | 121 |
13 |
| Anchor Wall Systems, Inc. | 132 |
6 |
| Keystone Retaining Wall Systems LLC | 194 |
3 |
| Atlas Roofing Corporation | 146 |
2 |
| Covestro LLC | 610 |
2 |
| Les Materiaux de Construction Oldcastle Canada Inc. | 25 |
2 |
| Blue Tomato, LLC | 20 |
1 |
| BlueScope Steel Limited | 211 |
1 |
| Convergent Market Research, Inc. | 9 |
1 |
| Gram Engineering Pty Ltd | 7 |
1 |
| JK Worldwide Enterprises Inc. | 9 |
1 |
| Oldcastle Building Products Canada, Inc. | 171 |
1 |
| Simpson Strong-Tie Company, Inc. | 743 |
1 |
| Saint-Gobain Construction Poducts UK Limited | 1 |
1 |
| Tabiclick, S.L. | 2 |
1 |
| Kim Eun Young | 2 |
1 |
| Modvion AB | 18 |
1 |
| WEBER, Lucie | 1 |
1 |
| Chifeng Huiyuan Building Materials Co., Ltd | 2 |
1 |
| Hebei Huiyuan Building Materials Co., Ltd | 2 |
1 |
| Other owners | 7 |