- All sections
- B - Performing operationstransporting
- B32B - Layered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form
- B32B 19/04 - Layered products essentially comprising natural mineral fibres or particles, e.g. asbestos, mica next to another layer of a specific substance
Patent holdings for IPC class B32B 19/04
Total number of patents in this class: 260
10-year publication summary
|
22
|
24
|
25
|
21
|
20
|
28
|
27
|
17
|
22
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Valinge Innovation AB | 1007 |
12 |
| Rockwool A/S | 796 |
11 |
| DuPont Safety & Construction, Inc. | 703 |
7 |
| BASF SE | 21039 |
6 |
| Knauf Insulation SPRL | 174 |
5 |
| UNILIN, besloten vennootschap | 892 |
5 |
| E. I. du Pont de Nemours and Company | 3975 |
4 |
| Litestone Holdings Pty Limited | 5 |
4 |
| Owens Corning Intellectual Capital, LLC | 1626 |
4 |
| The Boeing Company | 20139 |
3 |
| Samsung SDI Co., Ltd. | 8695 |
3 |
| Avery Dennison Corporation | 1182 |
3 |
| CertainTeed Gypsum, Inc. | 210 |
3 |
| Cytec Industries Inc. | 405 |
3 |
| Knauf Insulation, Inc. | 186 |
3 |
| Saint-Gobain Ecophon AB | 180 |
3 |
| Saint-Gobain Isover | 644 |
3 |
| Sika Technology AG | 2881 |
3 |
| Swiss Krono Tec AG | 492 |
3 |
| Transversality | 5 |
3 |
| Other owners | 169 |