- All sections
- E - Fixed constructions
- E04D - Roof coverings; sky-lights; gutters; roof-working tools
- E04D 13/08 - Down pipes; Special clamping means therefor
Patent holdings for IPC class E04D 13/08
Total number of patents in this class: 138
10-year publication summary
14
|
15
|
17
|
23
|
17
|
19
|
26
|
24
|
21
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
GPI Home Solutions, Inc. | 48 |
5 |
Distributed Solar Development, LLC | 15 |
4 |
Omnimax International, LLC | 63 |
4 |
Earthmark LLC | 6 |
3 |
Eco Gutter IP Holdings Pty Ltd | 4 |
3 |
Englert, Inc. | 40 |
3 |
Stormwell Inc. | 10 |
3 |
Autospout, LLC | 4 |
3 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
Whirlpool Corporation | 4238 |
2 |
The Regents of the University of Michigan | 4409 |
2 |
Free Flow Products, LLC | 3 |
2 |
Husqvarna AB | 2824 |
2 |
Hydro International Limited, | 86 |
2 |
MJF Corporation | 2 |
2 |
Rain Harvesting Pty. Ltd. | 18 |
2 |
Rainflex, LLC | 4 |
2 |
Renson Sunprotection-Screens NV | 65 |
2 |
University of Canterbury | 29 |
2 |
WISY AG Haustechniksysteme, Filtertechnik | 8 |
2 |
Other owners | 86 |