- All sections
- E - Fixed constructions
- E04D - Roof coveringssky-lightsguttersroof-working tools
- E04D 3/26 - Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of concrete or ceramics
Patent holdings for IPC class E04D 3/26
Total number of patents in this class: 2
10-year publication summary
|
2
|
1
|
1
|
2
|
0
|
0
|
0
|
0
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0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Florida International University Board of Trustees | 621 |
1 |
| Kuraray Co., Ltd. | 3507 |
1 |
| Other owners | 0 |