- All sections
- B - Performing operationstransporting
- B61B - Railway systemsequipment therefor not otherwise provided for
- B61B 12/04 - Devices for damping vibrations
Patent holdings for IPC class B61B 12/04
Total number of patents in this class: 18
10-year publication summary
|
0
|
0
|
0
|
3
|
3
|
3
|
1
|
1
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Innova Patent GmbH | 207 |
6 |
| Leitner S.p.A. | 85 |
2 |
| Poma | 114 |
2 |
| Eiffage Metal | 11 |
2 |
| Nakanishi Metal Works Co., Ltd. | 129 |
1 |
| Rolic Invest S.ar.l. | 33 |
1 |
| CRRC Yangtze Co., Ltd. | 84 |
1 |
| Rolic International S.A R.L. | 4 |
1 |
| CW Designs, LLC | 7 |
1 |
| Bureau de Etudes de Câbles | 1 |
1 |
| Other owners | 0 |