- All sections
- E - Fixed constructions
- E04D - Roof coverings; sky-lights; gutters; roof-working tools
- E04D 13/18 - Roof covering aspects of energy collecting devices, e.g. including solar panels
Patent holdings for IPC class E04D 13/18
Total number of patents in this class: 728
10-year publication summary
|
52
|
51
|
31
|
24
|
28
|
20
|
21
|
19
|
25
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tesla, Inc. | 1631 |
30 |
| Yanegijutsukenkyujo Co., Ltd. | 64 |
26 |
| Sharp Kabushiki Kaisha | 18873 |
21 |
| Panasonic Intellectual Property Management Co., Ltd. | 29687 |
17 |
| CertainTeed LLC | 550 |
16 |
| SunPower Corporation | 490 |
15 |
| Kyocera Corporation | 13335 |
14 |
| UniRac, Inc. | 242 |
14 |
| Building Materials Investment Corporation | 147 |
12 |
| Kaneka Corporation | 4497 |
11 |
| Rite-Hite Holding Corporation | 655 |
11 |
| Solar Frontier K.K. | 81 |
9 |
| Totalenergies Onetech | 1111 |
9 |
| Totalenergies Distributed Generation USA, LLC | 37 |
9 |
| Panelclaw, Inc. | 37 |
8 |
| Showa Shell Sekiyu K.K. | 92 |
8 |
| Beijing Apollo Ding Rong Solar Technology Co., Ltd. | 190 |
7 |
| Sekisui Chemical Co., Ltd. | 3307 |
7 |
| Takashima Co., Ltd. | 11 |
7 |
| ArcelorMittal | 2060 |
6 |
| Other owners | 471 |