- All sections
- E - Fixed constructions
- E04D - Roof coveringssky-lightsguttersroof-working tools
- E04D 1/18 - Roofing elements shaped as plain tiles or shingles, i.e. with flat outer surface of metal
Patent holdings for IPC class E04D 1/18
Total number of patents in this class: 36
10-year publication summary
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6
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6
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8
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7
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6
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5
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4
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3
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4
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nisshin Steel Co., Ltd. | 394 |
10 |
| Bmic LLC | 721 |
7 |
| Nippon Steel Nisshin Co., Ltd. | 98 |
4 |
| I.E.L. Manufacturing Ltd. | 30 |
3 |
| TAMKO Building Products LLC | 138 |
2 |
| BASF SE | 20874 |
1 |
| Building Materials Investment Corporation | 139 |
1 |
| Nippon Steel Corporation | 6195 |
1 |
| Roser Co., Ltd. | 4 |
1 |
| ZinniaTek Limited | 57 |
1 |
| Meyer Burger (Germany) GmbH | 112 |
1 |
| Nippon Steel Coated Sheet Corporation | 30 |
1 |
| the r&d lab co, DBA Amy's Construction | 4 |
1 |
| Dal-tile, LLC | 65 |
1 |
| Vanderleek Roofing Inc. | 1 |
1 |
| Other owners | 0 |