- All sections
- E - Fixed constructions
- E04D - Roof coverings; sky-lights; gutters; roof-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: 42
10-year publication summary
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4
|
6
|
6
|
8
|
7
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6
|
5
|
4
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3
|
1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nisshin Steel Co., Ltd. | 401 |
10 |
| Nippon Steel Nisshin Co., Ltd. | 106 |
4 |
| Bmic LLC | 630 |
4 |
| I.E.L. Manufacturing Ltd. | 33 |
3 |
| Building Materials Investment Corporation | 158 |
2 |
| Guerra, Vince | 2 |
2 |
| TAMKO Building Products LLC | 119 |
2 |
| BASF SE | 19740 |
1 |
| David Plath | 1 |
1 |
| Nippon Steel Corporation | 5649 |
1 |
| Parravano, Angelo | 1 |
1 |
| Roser Co., Ltd. | 4 |
1 |
| Rymell, Robert John | 1 |
1 |
| Samesor Oy | 4 |
1 |
| ZinniaTek Limited | 57 |
1 |
| DECRA A/S | 1 |
1 |
| Meyer Burger (Germany) GmbH | 81 |
1 |
| Courville, Gary J. | 1 |
1 |
| Nippon Steel Coated Sheet Corporation | 26 |
1 |
| the r&d lab co, DBA Amy's Construction | 4 |
1 |
| Other owners | 2 |