- 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: 285
10-year publication summary
|
32
|
32
|
30
|
28
|
31
|
32
|
27
|
24
|
27
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bmic LLC | 758 |
22 |
| Owens Corning Intellectual Capital, LLC | 1627 |
18 |
| Holcim Technology Ltd. | 780 |
13 |
| Ewald Dorken AG | 249 |
12 |
| Mbrico, LLC | 18 |
10 |
| E. I. du Pont de Nemours and Company | 3988 |
6 |
| Georgia-Pacific Gypsum LLC | 215 |
6 |
| Saint-Gobain Isover | 642 |
6 |
| System Stormseal Pty Ltd | 20 |
5 |
| Tesla, Inc. | 1752 |
5 |
| DSM IP Assets B.V. | 5572 |
4 |
| Covestro Deutschland AG | 2772 |
4 |
| Louisiana-Pacific Corporation | 265 |
4 |
| TAMKO Building Products LLC | 138 |
4 |
| A. Proctor Group Limited | 11 |
3 |
| CertainTeed Corporation | 244 |
3 |
| Gardner-Gibson, Inc. | 130 |
3 |
| Johns Manville | 954 |
3 |
| Mate, LLC | 41 |
3 |
| Seiren Co., Ltd. | 286 |
3 |
| Other owners | 148 |