- All sections
- E - Fixed constructions
- E04D - Roof coveringssky-lightsguttersroof-working tools
- E04D 13/16 - Insulating devices or arrangements in so far as the roof covering is concerned
Patent holdings for IPC class E04D 13/16
Total number of patents in this class: 295
10-year publication summary
|
33
|
29
|
29
|
34
|
29
|
23
|
16
|
11
|
18
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johns Manville | 956 |
18 |
| Rockwool A/S | 783 |
12 |
| Owens Corning Intellectual Capital, LLC | 1621 |
11 |
| ROCKWOOL International A/S | 306 |
11 |
| CertainTeed Corporation | 245 |
9 |
| Covestro LLC | 583 |
9 |
| CertainTeed LLC | 567 |
8 |
| Bmic LLC | 735 |
8 |
| Georgia-Pacific Gypsum LLC | 219 |
7 |
| BlueScope Buildings North America, Inc. | 80 |
7 |
| Jiangsu Canlon Building Materials Co., Ltd. | 83 |
7 |
| Holcim Technology Ltd. | 989 |
6 |
| Mate, LLC | 40 |
6 |
| Sika Technology AG | 2870 |
5 |
| The Shredded Tire Inc. | 7 |
5 |
| Saint-Gobain Isover | 631 |
4 |
| TAMKO Building Products LLC | 137 |
4 |
| DuPont Safety & Construction, Inc. | 683 |
4 |
| JMH Innovative Solutions, LLC | 8 |
4 |
| DDP Specialty Electronic Materials US, LLC | 834 |
4 |
| Other owners | 146 |