- All sections
- E - Fixed constructions
- E04D - Roof coverings; sky-lights; gutters; roof-working tools
- E04D 13/02 - Roof-covering aspects of dormer windows
Patent holdings for IPC class E04D 13/02
Total number of patents in this class: 5
10-year publication summary
|
1
|
0
|
1
|
0
|
0
|
1
|
0
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Viridian Concepts Limited | 5 |
1 |
| Wedge Products, Inc. | 2 |
1 |
| T&M Inventions, LLC | 29 |
1 |
| VKR Holding A/S | 15 |
1 |
| Kirin Ind. Co., Ltd. | 7 |
1 |
| Other owners | 0 |