- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 2/94 - Concrete panels
Patent holdings for IPC class E04B 2/94
Total number of patents in this class: 40
10-year publication summary
|
2
|
3
|
4
|
2
|
4
|
1
|
10
|
1
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DuPont Safety & Construction, Inc. | 682 |
8 |
| DDP Specialty Electronic Materials US, LLC | 850 |
8 |
| Carbon Capture Buildings Greentech | 20 |
3 |
| Les Materiaux de Construction Oldcastle Canada Inc. | 25 |
2 |
| Siniat International SAS | 22 |
2 |
| Talon Wall Holdings LLC | 31 |
2 |
| Tectonic Facades Limited | 12 |
2 |
| BlueScope Steel Limited | 211 |
1 |
| CSR Building Products Limited | 46 |
1 |
| Form 700 Pty Ltd | 27 |
1 |
| Instituto Superior Tecnico | 163 |
1 |
| Nozawa Corporation | 1 |
1 |
| Pantano Investments Pty Ltd. | 2 |
1 |
| Sekisui Chemical Co., Ltd. | 3606 |
1 |
| Hickory Design Pty Ltd | 14 |
1 |
| Precision Wall Systems, Inc. | 18 |
1 |
| Ceis Castiglioni S.p.A. | 2 |
1 |
| Studio 62 S.r.l.s. | 1 |
1 |
| Academia Militar | 3 |
1 |
| William George Edscer | 2 |
1 |
| Other owners | 0 |