- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 2/56 - Walls of framework or pillarworkWalls incorporating load-bearing elongated members
Patent holdings for IPC class E04B 2/56
Total number of patents in this class: 408
10-year publication summary
|
49
|
34
|
39
|
43
|
46
|
28
|
24
|
33
|
21
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cetres Holdings, LLC | 108 |
12 |
| Yoshino Gypsum Co., Ltd. | 252 |
12 |
| Sekisui House, Ltd. | 198 |
11 |
| Nichiha Corporation | 177 |
8 |
| Steelcase Inc. | 1337 |
8 |
| Daiwa House Industry Co., Ltd. | 112 |
7 |
| BASF SE | 20961 |
5 |
| BlueScope Buildings North America, Inc. | 81 |
5 |
| Covestro LLC | 587 |
5 |
| Innovative Building Technologies, LLC | 68 |
5 |
| Johns Manville | 956 |
5 |
| Nippon Steel Corporation | 6321 |
5 |
| United States Gypsum Company | 909 |
5 |
| AMBE Engineering Pty Ltd | 6 |
4 |
| Blue Tomato, LLC | 20 |
4 |
| Harbin Wushuhuan Construction Engineering Technology Research Co., Ltd. | 6 |
4 |
| Mitek Holdings, Inc. | 251 |
4 |
| Owens Corning Intellectual Capital, LLC | 1628 |
4 |
| Sensei Ltd | 43 |
4 |
| Boxabl Inc. | 56 |
4 |
| Other owners | 287 |