- 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: 360
10-year publication summary
|
35
|
35
|
50
|
58
|
39
|
23
|
16
|
13
|
5
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7251 |
99 |
| The Yokohama Rubber Co., Ltd. | 4114 |
55 |
| Compagnie Generale des Etablissements Michelin | 4969 |
36 |
| Sumitomo Rubber Industries, Ltd. | 4723 |
35 |
| Compagnie générale des établissements Michelin SCA | 2715 |
20 |
| Michelin Recherche et Technique S.A. | 2086 |
20 |
| Bridgestone Americas Tire Operations, LLC | 1119 |
12 |
| Continental Reifen Deutschland GmbH | 2537 |
11 |
| The Goodyear Tire & Rubber Company | 2394 |
5 |
| Goldhofer AG | 76 |
4 |
| NV Bekaert SA | 725 |
4 |
| Osaka University | 3269 |
4 |
| Societe de Technologie Michelin | 511 |
4 |
| Hongduk Industrial Co., Ltd. | 21 |
3 |
| Pirelli Tyre S.p.A. | 1958 |
3 |
| Sumitomo Electric Tochigi Co., Ltd. | 25 |
3 |
| Shandong Linglong Tire Co., Ltd. | 39 |
3 |
| Sumitomo Electric Industries, Ltd. | 16305 |
2 |
| Fuji Seiko Co., Ltd. | 60 |
2 |
| Jiangsu Xingda Steel Tyre Cord Co., Ltd. | 49 |
2 |
| Other owners | 33 |