- All sections
- E - Fixed constructions
- E04B - General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings
- E04B 7/22 - Roofs consisting of self-supporting slabs, e.g. able to be loaded the slabs having insulating properties, e.g. being laminated with layers of insulating material
Patent holdings for IPC class E04B 7/22
Total number of patents in this class: 90
10-year publication summary
|
11
|
11
|
10
|
14
|
8
|
17
|
8
|
7
|
0
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ROCKWOOL International A/S | 276 |
5 |
| Ultraframe (UK) Limited | 40 |
4 |
| SABIC Global Technologies B.V. | 4611 |
3 |
| Megawall Australia Pty Ltd | 3 |
3 |
| Nexiican Holdings Inc. | 20 |
3 |
| Dow Global Technologies LLC | 10994 |
2 |
| Georgia-Pacific Gypsum LLC | 226 |
2 |
| Blue Tomato, LLC | 20 |
2 |
| The Florida International University Board of Trustees | 679 |
2 |
| James Hardie Technology Limited | 458 |
2 |
| Louisiana-Pacific Corporation | 314 |
2 |
| United States Gypsum Company | 938 |
2 |
| Zynnovation LLC | 14 |
2 |
| Rockwool A/S | 842 |
2 |
| RC Panels Holding BV | 4 |
2 |
| Bmic LLC | 809 |
2 |
| Automatic Construction Inc. | 2 |
2 |
| Amrize Technology Switzerland LLC | 720 |
2 |
| ArcelorMittal | 2714 |
1 |
| Bonar B.V. | 11 |
1 |
| Other owners | 44 |