- All sections
- B - Performing operationstransporting
- B29D - Producing particular articles from plastics or from substances in a plastic state
- B29D 30/28 - Rolling-down or pressing-down the layers in the building process
Patent holdings for IPC class B29D 30/28
Total number of patents in this class: 113
10-year publication summary
|
9
|
9
|
6
|
9
|
10
|
8
|
6
|
10
|
6
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pirelli Tyre S.p.A. | 1924 |
23 |
| VMI Holland B.V. | 421 |
23 |
| Compagnie Generale des Etablissements Michelin | 4798 |
8 |
| Compagnie générale des établissements Michelin SCA | 2595 |
7 |
| Michelin Recherche et Technique S.A. | 2141 |
6 |
| Bridgestone Corporation | 7217 |
5 |
| MESNAC Co., Ltd. | 76 |
5 |
| Toyo Tire & Rubber Co., Ltd. | 524 |
5 |
| Qingdao MESNAC Machinery & Electric Engineering Co., Ltd. | 42 |
4 |
| The Yokohama Rubber Co., Ltd. | 4092 |
3 |
| Bridgestone Americas Tire Operations, LLC | 1090 |
3 |
| Toyo Tire Corporation | 1012 |
3 |
| Continental Reifen Deutschland GmbH | 2463 |
2 |
| Sumitomo Rubber Industries, Ltd. | 4691 |
2 |
| Harburg-Freudenberger Maschinenbau GmbH | 191 |
2 |
| Safe-run Intelligent Equipment Co., Ltd. | 13 |
2 |
| Marangoni Meccanica S.p.A. | 10 |
1 |
| Qingdao Sentury Tire Co., Ltd. | 89 |
1 |
| Thermwood Corporation | 205 |
1 |
| Tianjin Saixiang Technology Co., Ltd. | 20 |
1 |
| Other owners | 6 |