- All sections
- E - Fixed constructions
- E04D - Roof coverings; sky-lights; gutters; roof-working tools
- E04D 3/362 - Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets by locking the edge of one slab or sheet within the profiled marginal portion of the adjacent slab or sheet, e.g. using separate connecting elements
Patent holdings for IPC class E04D 3/362
Total number of patents in this class: 99
10-year publication summary
|
10
|
9
|
9
|
4
|
4
|
5
|
15
|
11
|
12
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| RMH Tech LLC | 80 |
10 |
| Nucor Corporation | 425 |
6 |
| Bmic LLC | 630 |
6 |
| Bjarnes System AB | 4 |
4 |
| Englert, Inc. | 40 |
4 |
| BlueScope Buildings North America, Inc. | 76 |
3 |
| Corus Bausysteme GmbH | 9 |
3 |
| Lucas Holdings (Queensland) Pty. Ltd. | 5 |
3 |
| ArcelorMittal | 1887 |
2 |
| BlueScope Steel Limited | 223 |
2 |
| Dan-Pal | 24 |
2 |
| Harold Simpson, Inc. | 4 |
2 |
| I-solar Energy Co., Ltd. | 8 |
2 |
| Kalzip GmbH | 27 |
2 |
| Nippon Steel & Sumikin Coated Sheet Corporation | 18 |
2 |
| Derby Building Products Inc. | 82 |
2 |
| Westlake Royal Building Products Inc. | 227 |
2 |
| Bayer MaterialScience AG | 874 |
1 |
| Dow Global Technologies LLC | 10147 |
1 |
| American Buildings Company | 3 |
1 |
| Other owners | 39 |