- All sections
- E - Fixed constructions
- E04B - General building constructions; walls, e.g. partitions; roofs; floors; ceilings; insulation or other protection of buildings
- E04B 2/56 - Walls of framework or pillarwork; Walls incorporating load-bearing elongated members
Patent holdings for IPC class E04B 2/56
Total number of patents in this class: 409
10-year publication summary
|
37
|
52
|
43
|
43
|
46
|
48
|
37
|
27
|
33
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cetres Holdings, LLC | 98 |
12 |
| Nippon Steel Corporation | 5649 |
10 |
| Yoshino Gypsum Co., Ltd. | 224 |
10 |
| Sekisui House, Ltd. | 143 |
9 |
| Daiwa House Industry Co., Ltd. | 120 |
8 |
| Nichiha Corporation | 186 |
8 |
| Steelcase Inc. | 1361 |
8 |
| Huber Engineered Woods LLC | 128 |
7 |
| BASF SE | 19740 |
5 |
| BlueScope Buildings North America, Inc. | 76 |
5 |
| Covestro LLC | 577 |
5 |
| Innovative Building Technologies, LLC | 70 |
5 |
| Johns Manville | 980 |
5 |
| AMBE Engineering Pty Ltd | 6 |
4 |
| Blue Tomato, LLC | 18 |
4 |
| Harbin Wushuhuan Construction Engineering Technology Research Co., Ltd. | 6 |
4 |
| Owens Corning Intellectual Capital, LLC | 1456 |
4 |
| Boxabl Inc. | 51 |
4 |
| DIRTT Environmental Solutions Inc. | 59 |
3 |
| DIRTT Environmental Solutions, Ltd. | 329 |
3 |
| Other owners | 286 |