- 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: 302
10-year publication summary
|
34
|
31
|
29
|
33
|
36
|
28
|
27
|
27
|
16
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bmic LLC | 804 |
24 |
| Owens Corning Intellectual Capital, LLC | 1732 |
19 |
| Mbrico, LLC | 21 |
14 |
| Ewald Dorken AG | 242 |
12 |
| Amrize Technology Switzerland LLC | 719 |
12 |
| Georgia-Pacific Gypsum LLC | 224 |
6 |
| Saint-Gobain Isover | 679 |
6 |
| System Stormseal Pty Ltd | 20 |
6 |
| E. I. du Pont de Nemours and Company | 3521 |
5 |
| Tesla, Inc. | 2007 |
5 |
| DSM IP Assets B.V. | 5377 |
4 |
| Covestro Deutschland AG | 2841 |
4 |
| Louisiana-Pacific Corporation | 312 |
4 |
| TAMKO Building Products LLC | 177 |
4 |
| CertainTeed LLC | 641 |
4 |
| A. Proctor Group Limited | 13 |
3 |
| CertainTeed Corporation | 205 |
3 |
| Gardner-Gibson, Inc. | 118 |
3 |
| International Insulation Products LLC | 9 |
3 |
| Johns Manville | 920 |
3 |
| Other owners | 158 |