- All sections
- E - Fixed constructions
- E04D - Roof coveringssky-lightsguttersroof-working tools
- E04D 3/36 - ConnectingFastening
Patent holdings for IPC class E04D 3/36
Total number of patents in this class: 231
10-year publication summary
|
22
|
25
|
23
|
34
|
18
|
28
|
9
|
26
|
21
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bmic LLC | 721 |
13 |
| BlueScope Buildings North America, Inc. | 77 |
8 |
| BlueScope Steel Limited | 212 |
7 |
| Building Materials Investment Corporation | 139 |
5 |
| Nucor Corporation | 416 |
5 |
| GAF Energy LLC | 193 |
5 |
| Holcim Technology Ltd. | 985 |
4 |
| Southeastern Metals Manufacturing Company, Inc. | 24 |
4 |
| EJOT Baubefestigungen GmbH | 35 |
3 |
| Garland Industries, Inc. | 92 |
3 |
| SFS intec Holding AG | 117 |
3 |
| Simpson Strong-Tie Company, Inc. | 719 |
3 |
| Vermont Slate & Copper Services, Inc. | 18 |
3 |
| RMH Tech LLC | 96 |
3 |
| Illinois Tool Works Inc. | 11437 |
2 |
| CertainTeed Corporation | 251 |
2 |
| FibreCem Holding AG | 3 |
2 |
| ITW Australia Pty Ltd | 6 |
2 |
| Loadmaster Systems, Inc. | 3 |
2 |
| Louisiana-Pacific Corporation | 256 |
2 |
| Other owners | 150 |