- All sections
- E - Fixed constructions
- E04D - Roof coveringssky-lightsguttersroof-working tools
- E04D 13/04 - Roof drainageDrainage fittings in flat roofs
Patent holdings for IPC class E04D 13/04
Total number of patents in this class: 352
10-year publication summary
|
50
|
42
|
32
|
48
|
37
|
32
|
31
|
30
|
28
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bmic LLC | 808 |
14 |
| Enstall US, Inc. | 116 |
14 |
| Quality Edge, Inc. | 97 |
10 |
| Rikksen | 17 |
9 |
| Roofguard Manufacturing, LLC | 11 |
8 |
| CertainTeed LLC | 643 |
8 |
| T&M Inventions, LLC | 27 |
7 |
| JMH Innovative Solutions, LLC | 7 |
7 |
| Roofers' Advantage Products, LLC | 25 |
6 |
| Distributed Solar Development, LLC | 14 |
6 |
| JPMorgan Chase Bank, National Association | 8959 |
5 |
| Gutterglove, Inc. | 133 |
5 |
| Rockwool A/S | 841 |
5 |
| Nantong Huwang Plastic Science and Technology Development Co., Ltd | 12 |
5 |
| Rain Harvesting Pty. Ltd. | 19 |
4 |
| Watts Regulator Co. | 332 |
4 |
| Carlisle Construction Materials, LLC | 180 |
4 |
| Zurn Water, LLC | 101 |
4 |
| ARDEX Anlagen GmbH | 11 |
3 |
| Dryflekt, Inc. | 5 |
3 |
| Other owners | 221 |