- All sections
- E - Fixed constructions
- E04D - Roof coveringssky-lightsguttersroof-working tools
- E04D 3/38 - Devices for sealing spaces or joints between roof-covering elements
Patent holdings for IPC class E04D 3/38
Total number of patents in this class: 45
10-year publication summary
|
3
|
1
|
4
|
3
|
2
|
6
|
8
|
1
|
3
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CertainTeed LLC | 570 |
4 |
| GAF Energy LLC | 193 |
4 |
| Golden Rule Fasteners, Inc. | 5 |
3 |
| Englert, Inc. | 40 |
2 |
| Derby Building Products Inc. | 84 |
2 |
| Jiangsu Canlon Building Materials Co., Ltd. | 76 |
2 |
| Scott Flett Architecture Workshop Pty Ltd | 2 |
2 |
| Bmic LLC | 721 |
2 |
| The Sherwin-Williams Company | 546 |
1 |
| Dow Global Technologies LLC | 10385 |
1 |
| 2FL Enterprises, LLC | 3 |
1 |
| BlueScope Steel Limited | 212 |
1 |
| CertainTeed Corporation | 251 |
1 |
| Garland Industries, Inc. | 92 |
1 |
| Onduline | 97 |
1 |
| Owens Corning Intellectual Capital, LLC | 1629 |
1 |
| Pegasus Solar Inc. | 71 |
1 |
| Pella Corporation | 226 |
1 |
| Quality Edge, Inc. | 98 |
1 |
| Renscience IP Holdings Inc. | 3 |
1 |
| Other owners | 12 |