- All sections
- B - Performing operationstransporting
- B60C - Vehicle tyrestyre inflationtyre changingconnecting valves to inflatable elastic bodies in generaldevices or arrangements related to tyres
- B60C 15/04 - Bead cores
Patent holdings for IPC class B60C 15/04
Total number of patents in this class: 358
10-year publication summary
|
35
|
35
|
50
|
58
|
39
|
23
|
16
|
13
|
5
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7238 |
99 |
| The Yokohama Rubber Co., Ltd. | 4098 |
55 |
| Sumitomo Rubber Industries, Ltd. | 4703 |
35 |
| Compagnie Generale des Etablissements Michelin | 4911 |
35 |
| Compagnie générale des établissements Michelin SCA | 2674 |
20 |
| Michelin Recherche et Technique S.A. | 2103 |
20 |
| Bridgestone Americas Tire Operations, LLC | 1114 |
12 |
| Continental Reifen Deutschland GmbH | 2515 |
10 |
| The Goodyear Tire & Rubber Company | 2391 |
5 |
| Goldhofer AG | 76 |
4 |
| NV Bekaert SA | 728 |
4 |
| Osaka University | 3289 |
4 |
| Societe de Technologie Michelin | 524 |
4 |
| Hongduk Industrial Co., Ltd. | 21 |
3 |
| Pirelli Tyre S.p.A. | 1936 |
3 |
| Sumitomo Electric Tochigi Co., Ltd. | 25 |
3 |
| Shandong Linglong Tire Co., Ltd. | 35 |
3 |
| Sumitomo Electric Industries, Ltd. | 16191 |
2 |
| Fuji Seiko Co., Ltd. | 60 |
2 |
| Jiangsu Xingda Steel Tyre Cord Co., Ltd. | 47 |
2 |
| Other owners | 33 |