- All sections
- B - Performing operationstransporting
- B29D - Producing particular articles from plastics or from substances in a plastic state
- B29D 30/12 - Cores
Patent holdings for IPC class B29D 30/12
Total number of patents in this class: 56
10-year publication summary
|
8
|
1
|
0
|
2
|
1
|
2
|
0
|
5
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Rubber Industries, Ltd. | 4736 |
24 |
| Pirelli Tyre S.p.A. | 1962 |
12 |
| Compagnie Generale des Etablissements Michelin | 4975 |
9 |
| Compagnie générale des établissements Michelin SCA | 2731 |
3 |
| Michelin Recherche et Technique S.A. | 2080 |
3 |
| Societe de Technologie Michelin | 505 |
2 |
| Bridgestone Corporation | 7277 |
1 |
| The Yokohama Rubber Co., Ltd. | 4115 |
1 |
| Hankook Tire Co., Ltd. | 122 |
1 |
| Other owners | 0 |