- 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: 290
10-year publication summary
|
44
|
37
|
35
|
35
|
38
|
33
|
26
|
21
|
15
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johns Manville | 980 |
17 |
| ROCKWOOL International A/S | 323 |
12 |
| Rockwool A/S | 753 |
12 |
| Huber Engineered Woods LLC | 128 |
11 |
| CertainTeed Corporation | 299 |
9 |
| Covestro LLC | 577 |
9 |
| Owens Corning Intellectual Capital, LLC | 1456 |
9 |
| Georgia-Pacific Gypsum LLC | 204 |
7 |
| BlueScope Buildings North America, Inc. | 76 |
7 |
| Holcim Technology Ltd. | 868 |
7 |
| Deutsche Rockwool Mineralwoll GmbH & Co. OHG | 48 |
6 |
| Mate, LLC | 43 |
6 |
| Saint-Gobain Isover | 603 |
6 |
| CertainTeed LLC | 511 |
6 |
| Sika Technology AG | 2650 |
5 |
| Bmic LLC | 630 |
5 |
| The Shredded Tire Inc. | 7 |
4 |
| TAMKO Building Products LLC | 119 |
4 |
| JMH Innovative Solutions, LLC | 8 |
4 |
| Velcro IP Holdings LLC | 273 |
4 |
| Other owners | 140 |