- All sections
- B - Performing operationstransporting
- B29D - Producing particular articles from plastics or from substances in a plastic state
- B29D 30/36 - Expansion of tyres in a flat form, e.g. of tyres built by the flat-tyre method or by jointly covering two bead-rings
Patent holdings for IPC class B29D 30/36
Total number of patents in this class: 54
10-year publication summary
|
5
|
5
|
9
|
5
|
3
|
3
|
0
|
2
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pirelli Tyre S.p.A. | 1937 |
30 |
| Continental Reifen Deutschland GmbH | 2507 |
4 |
| The Goodyear Tire & Rubber Company | 2384 |
4 |
| Compagnie Generale des Etablissements Michelin | 4881 |
4 |
| Michelin Recherche et Technique S.A. | 2111 |
3 |
| Sumitomo Rubber Industries, Ltd. | 4712 |
3 |
| Compagnie générale des établissements Michelin SCA | 2655 |
2 |
| Bridgestone Americas Tire Operations, LLC | 1101 |
1 |
| Pirelli S.p.A. | 4 |
1 |
| Societe de Technologie Michelin | 529 |
1 |
| Toyo Tire & Rubber Co., Ltd. | 499 |
1 |
| Other owners | 0 |