- All sections
- E - Fixed constructions
- E04D - Roof coverings; sky-lights; gutters; roof-working tools
- E04D 3/04 - Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant of concrete or ceramics
Patent holdings for IPC class E04D 3/04
Total number of patents in this class: 8
10-year publication summary
|
0
|
1
|
2
|
1
|
3
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0
|
2
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0
|
1
|
1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Florida International University Board of Trustees | 548 |
2 |
| Georgia-Pacific Gypsum LLC | 204 |
1 |
| James Hardie Technology Limited | 462 |
1 |
| Swisspearl Group AG | 46 |
1 |
| United States Gypsum Company | 1019 |
1 |
| The Square Company Pty Ltd. | 2 |
1 |
| Bmic LLC | 630 |
1 |
| Other owners | 0 |