- 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 25/18 - Layered products essentially comprising natural or synthetic rubber comprising butyl or halobutyl rubber
Patent holdings for IPC class B32B 25/18
Total number of patents in this class: 155
10-year publication summary
|
17
|
15
|
17
|
13
|
21
|
17
|
19
|
16
|
9
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Yokohama Rubber Co., Ltd. | 3961 |
16 |
| ExxonMobil Chemical Patents Inc. | 4114 |
5 |
| DENSO-Holding GmbH & Co. | 97 |
5 |
| Sika Technology AG | 2851 |
5 |
| Bridgestone Americas Tire Operations, LLC | 1041 |
4 |
| Saint-Gobain Performance Plastics Corporation | 1025 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 13863 |
3 |
| Daikin Industries, Ltd. | 9838 |
3 |
| Altria Client Services LLC | 2043 |
3 |
| British Polythene Limited | 105 |
3 |
| Firestone Industrial Products Company, LLC | 327 |
3 |
| Holcim Technology Ltd. | 995 |
3 |
| Nichirin Co., Ltd. | 32 |
3 |
| University of Windsor | 122 |
3 |
| ContiTech Deutschland GmbH | 222 |
3 |
| Hitachi Chemical Company, Ltd. | 2387 |
2 |
| Nitto Denko Corporation | 8089 |
2 |
| Compagnie générale des établissements Michelin SCA | 2519 |
2 |
| Automobili Lamborghini S.p.A. | 470 |
2 |
| ContiTech AG | 24 |
2 |
| Other owners | 79 |