- All sections
- B - Performing operations; transporting
- B32B - Layered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form
- B32B 25/20 - Layered products essentially comprising natural or synthetic rubber comprising silicone rubber
Patent holdings for IPC class B32B 25/20
Total number of patents in this class: 417
10-year publication summary
|
43
|
49
|
40
|
44
|
38
|
37
|
47
|
23
|
25
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17968 |
19 |
| Shin-Etsu Chemical Co., Ltd. | 5437 |
14 |
| Dow Silicones Corporation | 1797 |
14 |
| Align Technology, Inc. | 1953 |
13 |
| Dow Global Technologies LLC | 10139 |
9 |
| Dow Corning Corporation | 1021 |
9 |
| Landa Corporation Ltd. | 242 |
9 |
| Dow Toray Co., Ltd. | 532 |
8 |
| Xerox Corporation | 7076 |
6 |
| Nitto Denko Corporation | 8069 |
6 |
| Avery Dennison Corporation | 1233 |
6 |
| NOK Corporation | 2161 |
5 |
| Saint-Gobain Performance Plastics Corporation | 1026 |
5 |
| Solutia Inc. | 411 |
5 |
| General Electric Company | 17801 |
4 |
| Daikin Industries, Ltd. | 9766 |
4 |
| Dow Corning Toray Co., Ltd. | 533 |
4 |
| Samsung Display Co., Ltd. | 32641 |
3 |
| The Boeing Company | 19900 |
3 |
| Canon Inc. | 38016 |
3 |
| Other owners | 268 |