- All sections
- B - Performing operationstransporting
- B29D - Producing particular articles from plastics or from substances in a plastic state
- B29D 30/52 - Unvulcanised treads, e.g. on used tyresRetreading
Patent holdings for IPC class B29D 30/52
Total number of patents in this class: 204
10-year publication summary
|
13
|
16
|
13
|
17
|
13
|
14
|
5
|
6
|
8
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Compagnie générale des établissements Michelin SCA | 2559 |
34 |
| Compagnie Generale des Etablissements Michelin | 4672 |
29 |
| Michelin Recherche et Technique S.A. | 2212 |
27 |
| Bridgestone Bandag, LLC | 267 |
21 |
| Bridgestone Corporation | 7201 |
16 |
| Continental Reifen Deutschland GmbH | 2437 |
10 |
| Bridgestone Americas Tire Operations, LLC | 1060 |
10 |
| Sumitomo Rubber Industries, Ltd. | 4456 |
7 |
| Bridgestone Europe NV/SA | 285 |
7 |
| Societe de Technologie Michelin | 612 |
6 |
| Toyo Tire & Rubber Co., Ltd. | 562 |
5 |
| The Goodyear Tire & Rubber Company | 2568 |
4 |
| The Yokohama Rubber Co., Ltd. | 4000 |
4 |
| KraussMaffei Berstorff GmbH | 30 |
3 |
| Pirelli Tyre S.p.A. | 1891 |
3 |
| VMI Holland B.V. | 391 |
3 |
| Kabushiki Kaisha Bridgestone | 67 |
2 |
| Dow Global Technologies LLC | 10261 |
1 |
| Bridgestone Europe NV | 8 |
1 |
| Center for Abrasives and Refractories Research & Development C.a.r.r.d. GmbH | 18 |
1 |
| Other owners | 10 |