- 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 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: 439
10-year publication summary
|
48
|
39
|
43
|
36
|
40
|
50
|
24
|
25
|
27
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17604 |
18 |
| Shin-Etsu Chemical Co., Ltd. | 5823 |
15 |
| Dow Silicones Corporation | 1999 |
15 |
| Align Technology, Inc. | 2205 |
14 |
| Dow Global Technologies LLC | 10627 |
9 |
| Landa Corporation Ltd. | 257 |
9 |
| Dow Toray Co., Ltd. | 577 |
8 |
| Dow Corning Corporation | 944 |
7 |
| Xerox Corporation | 6748 |
6 |
| Nitto Denko Corporation | 8370 |
6 |
| NOK Corporation | 2243 |
6 |
| Saint-Gobain Performance Plastics Corporation | 1033 |
6 |
| Avery Dennison Corporation | 1187 |
5 |
| Solutia Inc. | 408 |
5 |
| General Electric Company | 13791 |
4 |
| Canon Inc. | 41306 |
4 |
| Daikin Industries, Ltd. | 10168 |
4 |
| Samsung Display Co., Ltd. | 36705 |
3 |
| The Boeing Company | 20081 |
3 |
| Dai Nippon Printing Co., Ltd. | 4149 |
3 |
| Other owners | 289 |