- All sections
- E - Fixed constructions
- E04D - Roof coverings; sky-lights; gutters; roof-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: 287
10-year publication summary
|
37
|
35
|
35
|
38
|
34
|
26
|
21
|
15
|
18
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johns Manville | 964 |
17 |
| Rockwool A/S | 784 |
12 |
| ROCKWOOL International A/S | 311 |
11 |
| Owens Corning Intellectual Capital, LLC | 1556 |
10 |
| CertainTeed Corporation | 270 |
9 |
| Covestro LLC | 582 |
9 |
| CertainTeed LLC | 550 |
8 |
| Georgia-Pacific Gypsum LLC | 211 |
7 |
| BlueScope Buildings North America, Inc. | 78 |
7 |
| Holcim Technology Ltd. | 962 |
7 |
| Mate, LLC | 45 |
6 |
| Bmic LLC | 682 |
6 |
| Saint-Gobain Isover | 628 |
5 |
| Sika Technology AG | 2848 |
5 |
| The Shredded Tire Inc. | 8 |
5 |
| TAMKO Building Products LLC | 128 |
4 |
| JMH Innovative Solutions, LLC | 8 |
4 |
| Velcro IP Holdings LLC | 284 |
4 |
| Covestro Deutschland AG | 2689 |
3 |
| Nucor Corporation | 421 |
3 |
| Other owners | 145 |