- All sections
- E - Fixed constructions
- E04D - Roof coveringssky-lightsguttersroof-working tools
- E04D 13/00 - Special arrangements or devices in connection with roof coveringsRoof drainage
Patent holdings for IPC class E04D 13/00
Total number of patents in this class: 533
10-year publication summary
|
60
|
45
|
52
|
48
|
52
|
52
|
43
|
39
|
32
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CertainTeed LLC | 643 |
17 |
| Bmic LLC | 808 |
15 |
| Enstall US, Inc. | 116 |
15 |
| RMH Tech LLC | 116 |
12 |
| LN1 Inc. | 25 |
10 |
| Yanegijutsukenkyujo Co., Ltd. | 68 |
9 |
| Detec Systems LLC | 16 |
8 |
| UniRac, Inc. | 451 |
8 |
| Sharp Kabushiki Kaisha | 18520 |
8 |
| Carlisle Construction Materials, LLC | 180 |
7 |
| Ewald Dorken AG | 242 |
6 |
| Owens Corning Intellectual Capital, LLC | 1733 |
6 |
| Georgia-Pacific Gypsum LLC | 225 |
5 |
| Detec Systems Ltd. | 8 |
5 |
| Gutterglove, Inc. | 133 |
5 |
| Hortech, Inc. | 182 |
5 |
| Norwood Architecture, Inc. | 27 |
5 |
| Southeastern Metals Manufacturing Company, Inc. | 24 |
5 |
| Watts Regulator Co. | 332 |
5 |
| WCM Industries, Inc. | 240 |
5 |
| Other owners | 372 |