- All sections
- E - Fixed constructions
- E04D - Roof coveringssky-lightsguttersroof-working tools
- E04D 1/20 - Roofing elements shaped as plain tiles or shingles, i.e. with flat outer surface of plastics, fibrous materials, or wood
Patent holdings for IPC class E04D 1/20
Total number of patents in this class: 316
10-year publication summary
|
24
|
19
|
25
|
33
|
37
|
34
|
29
|
46
|
33
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Owens Corning Intellectual Capital, LLC | 1629 |
78 |
| Bmic LLC | 721 |
76 |
| CertainTeed LLC | 570 |
29 |
| CertainTeed Corporation | 251 |
17 |
| GAF Energy LLC | 193 |
12 |
| TAMKO Building Products LLC | 138 |
6 |
| Bmrc LLC | 31 |
6 |
| Holcim Technology Ltd. | 985 |
4 |
| Specialty Granules Investments LLC | 45 |
4 |
| ZinniaTek Limited | 57 |
4 |
| 3m Innovative Properties Company | 17853 |
3 |
| Clair Industrial Development Corporation Ltd., | 11 |
3 |
| POET Research, Inc. | 262 |
3 |
| Total Marketing Services | 476 |
3 |
| Rohm and Haas Company | 2916 |
2 |
| Building Materials Investment Corporation | 139 |
2 |
| Close The Loop Technologies Pty Ltd. | 22 |
2 |
| Euroline S.r.l. | 9 |
2 |
| Green IP Box Limited | 3 |
2 |
| Iowa State University Research Foundation, Inc. | 769 |
2 |
| Other owners | 56 |