- All sections
- E - Fixed constructions
- E04D - Roof coverings; sky-lights; gutters; roof-working tools
- E04D 3/32 - 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 plastics, fibrous materials, or asbestos cement
Patent holdings for IPC class E04D 3/32
Total number of patents in this class: 27
10-year publication summary
|
2
|
5
|
6
|
5
|
4
|
6
|
4
|
4
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CertainTeed Corporation | 299 |
4 |
| Onduline | 102 |
2 |
| SABIC Global Technologies B.V. | 4044 |
2 |
| Watershed Geosynthetics LLC | 78 |
2 |
| Watershed Holdings LLC | 6 |
2 |
| CertainTeed LLC | 511 |
2 |
| BASF SE | 19740 |
1 |
| DAe Han Steel Co., Ltd. | 1 |
1 |
| Dr. Doll Holding GmbH | 2 |
1 |
| Englert, Inc. | 40 |
1 |
| The Florida International University Board of Trustees | 548 |
1 |
| Kingspan Insulation LLC | 33 |
1 |
| Sika Technology AG | 2650 |
1 |
| RMH Tech LLC | 80 |
1 |
| Celloz | 3 |
1 |
| Intempo Sistemas Constructivos S.A. de C.V. | 3 |
1 |
| La Juste | 1 |
1 |
| Limited Liability Company "thermotile" | 4 |
1 |
| RUFFENACH, François | 1 |
1 |
| Other owners | 0 |