- 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: 304
10-year publication summary
|
35
|
35
|
38
|
34
|
27
|
21
|
17
|
21
|
23
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johns Manville | 920 |
19 |
| Rockwool A/S | 841 |
14 |
| Owens Corning Intellectual Capital, LLC | 1732 |
11 |
| ROCKWOOL International A/S | 278 |
10 |
| CertainTeed Corporation | 205 |
9 |
| Covestro LLC | 612 |
9 |
| Bmic LLC | 804 |
9 |
| Jiangsu Canlon Building Materials Co., Ltd. | 92 |
8 |
| CertainTeed LLC | 641 |
8 |
| Georgia-Pacific Gypsum LLC | 224 |
7 |
| BlueScope Buildings North America, Inc. | 84 |
7 |
| Mate, LLC | 43 |
6 |
| Amrize Technology Switzerland LLC | 719 |
6 |
| The Shredded Tire Inc. | 7 |
5 |
| Knauf Insulation, Inc. | 183 |
4 |
| Saint-Gobain Isover | 679 |
4 |
| Sika Technology AG | 3009 |
4 |
| TAMKO Building Products LLC | 177 |
4 |
| DuPont Safety & Construction, Inc. | 680 |
4 |
| DDP Specialty Electronic Materials US, LLC | 844 |
4 |
| Other owners | 152 |