- All sections
- E - Fixed constructions
- E04D - Roof coveringssky-lightsguttersroof-working tools
- E04D 3/16 - Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of metal
Patent holdings for IPC class E04D 3/16
Total number of patents in this class: 21
10-year publication summary
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1
|
3
|
4
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2
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2
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3
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1
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1
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2
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Englert, Inc. | 38 |
3 |
| Southeastern Metals Manufacturing Company, Inc. | 24 |
2 |
| Jiangsu Canlon Building Materials Co., Ltd. | 91 |
2 |
| Asturiana de Laminados, S.A. | 42 |
1 |
| ATAS International, Inc. | 24 |
1 |
| BlueScope Steel Limited | 218 |
1 |
| Building Materials Investment Corporation | 139 |
1 |
| Marco Industries, Inc. | 29 |
1 |
| Norsk Hydro ASA | 251 |
1 |
| Rautaruukki Oyj | 142 |
1 |
| UMICORE BUILDING PRODUCTS FRANCE, une société française | 6 |
1 |
| BLACHPROFIL 2 Sp. z o.o. | 3 |
1 |
| The Square Company Pty Ltd. | 2 |
1 |
| Rider Rents Six, LLC | 6 |
1 |
| Wonderful-wall New Materials Corp., Ltd. | 6 |
1 |
| Bmic LLC | 785 |
1 |
| Vanderleek Roofing Inc. | 1 |
1 |
| Other owners | 0 |