- All sections
- E - Fixed constructions
- E04D - Roof coverings; sky-lights; gutters; roof-working tools
- E04D 13/00 - Special arrangements or devices in connection with roof coverings; Roof drainage
Patent holdings for IPC class E04D 13/00
Total number of patents in this class: 509
10-year publication summary
|
76
|
48
|
60
|
45
|
52
|
48
|
51
|
51
|
41
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CertainTeed LLC | 536 |
13 |
| RMH Tech LLC | 83 |
12 |
| Bmic LLC | 660 |
11 |
| Yanegijutsukenkyujo Co., Ltd. | 64 |
9 |
| Sharp Kabushiki Kaisha | 18920 |
9 |
| LN1 Inc. | 23 |
9 |
| Rillito River Solar, LLC | 31 |
8 |
| Detec Systems LLC | 14 |
6 |
| Ewald Dorken AG | 263 |
6 |
| Gutterglove, Inc. | 108 |
6 |
| Owens Corning Intellectual Capital, LLC | 1536 |
6 |
| UniRac, Inc. | 188 |
6 |
| EcoFasten Solar, LLC | 51 |
6 |
| Georgia-Pacific Gypsum LLC | 207 |
5 |
| CertainTeed Corporation | 282 |
5 |
| Detec Systems Ltd. | 8 |
5 |
| I-solar Energy Co., Ltd. | 8 |
5 |
| Norwood Architecture, Inc. | 32 |
5 |
| Southeastern Metals Manufacturing Company, Inc. | 25 |
5 |
| T&M Inventions, LLC | 29 |
5 |
| Other owners | 367 |