- All sections
- E - Fixed constructions
- E04D - Roof coverings; sky-lights; gutters; roof-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: 23
10-year publication summary
|
3
|
7
|
1
|
3
|
4
|
2
|
2
|
3
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Englert, Inc. | 40 |
3 |
| Southeastern Metals Manufacturing Company, Inc. | 27 |
2 |
| Asturiana de Laminados, S.A. | 43 |
1 |
| ATAS International, Inc. | 21 |
1 |
| BlueScope Steel Limited | 223 |
1 |
| Building Materials Investment Corporation | 158 |
1 |
| CertainTeed Corporation | 299 |
1 |
| Marco Industries, Inc. | 23 |
1 |
| Norsk Hydro ASA | 288 |
1 |
| Parravano, Angelo | 1 |
1 |
| Rautaruukki Oyj | 161 |
1 |
| Rymell, Robert John | 1 |
1 |
| Samesor Oy | 4 |
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. | 4 |
1 |
| Bmic LLC | 630 |
1 |
| Vanderleek Roofing Inc. | 1 |
1 |
| Other owners | 0 |