- All sections
- E - Fixed constructions
- E04D - Roof coveringssky-lightsguttersroof-working tools
- E04D 12/00 - Non-structural supports for roofing materials, e.g. battens, boards
Patent holdings for IPC class E04D 12/00
Total number of patents in this class: 304
10-year publication summary
|
34
|
31
|
29
|
33
|
36
|
28
|
27
|
27
|
17
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bmic LLC | 811 |
24 |
| Owens Corning Intellectual Capital, LLC | 1739 |
18 |
| Mbrico, LLC | 21 |
14 |
| Ewald Dorken AG | 241 |
12 |
| Amrize Technology Switzerland LLC | 720 |
12 |
| Georgia-Pacific Gypsum LLC | 225 |
6 |
| Saint-Gobain Isover | 683 |
6 |
| System Stormseal Pty Ltd | 20 |
6 |
| E. I. du Pont de Nemours and Company | 3430 |
5 |
| Tesla, Inc. | 2067 |
5 |
| DSM IP Assets B.V. | 5405 |
4 |
| Covestro Deutschland AG | 2856 |
4 |
| Louisiana-Pacific Corporation | 319 |
4 |
| TAMKO Building Products LLC | 185 |
4 |
| CertainTeed LLC | 653 |
4 |
| A. Proctor Group Limited | 12 |
3 |
| CertainTeed Corporation | 204 |
3 |
| Gardner-Gibson, Inc. | 117 |
3 |
| International Insulation Products LLC | 9 |
3 |
| Johns Manville | 916 |
3 |
| Other owners | 161 |