- All sections
- E - Fixed constructions
- E04D - Roof coverings; sky-lights; gutters; roof-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: 288
10-year publication summary
|
27
|
33
|
34
|
31
|
29
|
33
|
36
|
27
|
25
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bmic LLC | 630 |
19 |
| Holcim Technology Ltd. | 868 |
15 |
| Owens Corning Intellectual Capital, LLC | 1456 |
14 |
| Ewald Dorken AG | 266 |
13 |
| Huber Engineered Woods LLC | 128 |
10 |
| Mbrico, LLC | 16 |
8 |
| E. I. du Pont de Nemours and Company | 4345 |
7 |
| Saint-Gobain Isover | 603 |
6 |
| Georgia-Pacific Gypsum LLC | 204 |
5 |
| Silu Verwaltung AG | 14 |
5 |
| System Stormseal Pty Ltd | 21 |
5 |
| Tesla, Inc. | 1519 |
5 |
| DSM IP Assets B.V. | 5856 |
4 |
| Covestro Deutschland AG | 2429 |
4 |
| Gardner-Gibson, Inc. | 135 |
4 |
| Louisiana-Pacific Corporation | 203 |
4 |
| TAMKO Building Products LLC | 119 |
4 |
| A. Proctor Group Limited | 7 |
3 |
| CertainTeed Corporation | 299 |
3 |
| Johns Manville | 980 |
3 |
| Other owners | 147 |