- All sections
- E - Fixed constructions
- E04C - Structural elements; building 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: 306
10-year publication summary
|
46
|
33
|
42
|
36
|
46
|
39
|
26
|
16
|
18
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lignum Technologies AG | 79 |
9 |
| Yoshino Gypsum Co., Ltd. | 224 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
6 |
| CertainTeed Gypsum, Inc. | 180 |
6 |
| LG Hausys, Ltd. | 839 |
6 |
| Nichiha Corporation | 186 |
6 |
| Valinge Innovation AB | 915 |
6 |
| Cemco, LLC | 123 |
6 |
| Allsteel Inc. | 21 |
5 |
| Advanced Architectural Products, LLC | 72 |
4 |
| Newtonoid Technologies, L.L.C. | 131 |
4 |
| RISE Building Products LLC | 16 |
4 |
| The Boeing Company | 19843 |
3 |
| Javita (Shanghai) New Energy Investment Co., Ltd. | 3 |
3 |
| Louisiana-Pacific Corporation | 203 |
3 |
| Metal Design Systems, Inc. | 8 |
3 |
| Nippon Steel Corporation | 5649 |
3 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
3 |
| Tomm Tech Pty Ltd | 9 |
3 |
| Zengcheng City Country Garden Property Development Company Limited | 67 |
3 |
| Other owners | 213 |