- 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: 300
10-year publication summary
|
29
|
29
|
34
|
29
|
24
|
16
|
11
|
18
|
21
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johns Manville | 933 |
19 |
| Rockwool A/S | 814 |
13 |
| Owens Corning Intellectual Capital, LLC | 1634 |
11 |
| ROCKWOOL International A/S | 294 |
10 |
| CertainTeed Corporation | 220 |
9 |
| Covestro LLC | 595 |
9 |
| Bmic LLC | 785 |
9 |
| Jiangsu Canlon Building Materials Co., Ltd. | 91 |
8 |
| CertainTeed LLC | 607 |
8 |
| Georgia-Pacific Gypsum LLC | 221 |
7 |
| BlueScope Buildings North America, Inc. | 83 |
7 |
| Mate, LLC | 43 |
6 |
| Sika Technology AG | 2931 |
5 |
| The Shredded Tire Inc. | 7 |
5 |
| Saint-Gobain Isover | 663 |
4 |
| TAMKO Building Products LLC | 146 |
4 |
| DuPont Safety & Construction, Inc. | 662 |
4 |
| JMH Innovative Solutions, LLC | 8 |
4 |
| DDP Specialty Electronic Materials US, LLC | 846 |
4 |
| Velcro IP Holdings LLC | 281 |
4 |
| Other owners | 150 |