- All sections
- E - Fixed constructions
- E04D - Roof coveringssky-lightsguttersroof-working tools
- E04D 3/365 - ConnectingFastening by simple overlapping of the marginal portions with use of separate connecting elements, e.g. hooks or bolts for corrugated sheets
Patent holdings for IPC class E04D 3/365
Total number of patents in this class: 54
10-year publication summary
|
5
|
7
|
10
|
5
|
1
|
1
|
6
|
0
|
7
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| T&M Inventions, LLC | 27 |
5 |
| BlueScope Steel Limited | 211 |
4 |
| Nucor Corporation | 418 |
4 |
| ZinniaTek Limited | 51 |
3 |
| RMH Tech LLC | 114 |
3 |
| ArcelorMittal Investigacion y Desarrollo SL | 207 |
2 |
| Bogdan Wiecek Budmat | 4 |
2 |
| Budmat, Bogdan Wiecek | 6 |
2 |
| Kingspan Research and Developments Limited | 27 |
2 |
| Jiangsu Canlon Building Materials Co., Ltd. | 92 |
2 |
| Nippon Steel Coated Sheet Corporation | 28 |
2 |
| Dow Global Technologies LLC | 10930 |
1 |
| CertainTeed Corporation | 206 |
1 |
| Dan-Pal | 27 |
1 |
| Inoventech Limited | 3 |
1 |
| JFE Galvanizing & Coating Co., Ltd. | 33 |
1 |
| Louisiana-Pacific Corporation | 309 |
1 |
| Palram Industries (1990) Ltd. | 18 |
1 |
| Pegasus Solar Inc. | 87 |
1 |
| Phillips Screw Company | 90 |
1 |
| Other owners | 14 |