- All sections
- E - Fixed constructions
- E04D - Roof coveringssky-lightsguttersroof-working tools
- E04D 3/34 - Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of specified materials, or of combinations of materials, not covered by any one of groups
Patent holdings for IPC class E04D 3/34
Total number of patents in this class: 26
10-year publication summary
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3
|
2
|
1
|
0
|
2
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1
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2
|
2
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2
|
1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bmic LLC | 786 |
8 |
| Onduline | 97 |
3 |
| Corruven Canada Inc. | 21 |
2 |
| Elk Premium Building Products, Inc. | 21 |
2 |
| Continuus Materials Intellectual Property, LLC | 50 |
2 |
| 3m Innovative Properties Company | 17536 |
1 |
| CPI Daylighting, Inc. | 11 |
1 |
| Finnfoam Oy | 10 |
1 |
| The Florida International University Board of Trustees | 657 |
1 |
| Siplast, Inc. | 14 |
1 |
| United States Gypsum Company | 902 |
1 |
| T&M Inventions, LLC | 28 |
1 |
| Pazdera AG | 1 |
1 |
| Holcim Solutions and Products US, LLC | 4 |
1 |
| Other owners | 0 |