- All sections
- E - Fixed constructions
- E04D - Roof coverings; sky-lights; gutters; roof-working tools
- E04D 1/24 - Roofing elements with cavities, e.g. hollow tiles
Patent holdings for IPC class E04D 1/24
Total number of patents in this class: 14
10-year publication summary
1
|
1
|
1
|
2
|
5
|
1
|
3
|
0
|
1
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
3m Innovative Properties Company | 18406 |
3 |
CertainTeed Corporation | 299 |
2 |
Nisshin Steel Co., Ltd. | 401 |
2 |
New York Institute of Technology | 30 |
1 |
ZinniaTek Limited | 57 |
1 |
Danfoss A/S | 1259 |
1 |
Nippon Steel Nisshin Co., Ltd. | 106 |
1 |
Logic Swiss AG | 3 |
1 |
Bmic LLC | 630 |
1 |
Eraserspacer LLC | 1 |
1 |
Other owners | 0 |