- All sections
- E - Fixed constructions
- E04C - Structural elementsbuilding materials
- E04C 2/30 - Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
Patent holdings for IPC class E04C 2/30
Total number of patents in this class: 319
10-year publication summary
|
42
|
36
|
46
|
39
|
26
|
16
|
20
|
17
|
18
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yoshino Gypsum Co., Ltd. | 273 |
9 |
| Lignum Technologies AG | 77 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 34724 |
6 |
| CertainTeed Gypsum, Inc. | 222 |
6 |
| LG Hausys, Ltd. | 805 |
6 |
| Nichiha Corporation | 165 |
6 |
| China Construction Science & Technology Group Co., Ltd. | 29 |
6 |
| Cemco, LLC | 133 |
6 |
| Louisiana-Pacific Corporation | 319 |
5 |
| Allsteel LLC | 15 |
5 |
| Advanced Architectural Products, LLC | 78 |
4 |
| Huber Engineered Woods LLC | 75 |
4 |
| Newtonoid Technologies, L.L.C. | 144 |
4 |
| Valinge Innovation AB | 1043 |
4 |
| Plank Structural Systems LLC | 10 |
4 |
| Javita (Shanghai) New Energy Investment Co., Ltd. | 3 |
3 |
| Metal Design Systems, Inc. | 9 |
3 |
| Nippon Steel Corporation | 7118 |
3 |
| Nippon Steel & Sumitomo Metal Corporation | 1980 |
3 |
| South China University of Technology | 1930 |
3 |
| Other owners | 220 |