- All sections
- B - Performing operationstransporting
- B61D - Body details or kinds of railway vehicles
- B61D 15/08 - Railway inspection trolleys
Patent holdings for IPC class B61D 15/08
Total number of patents in this class: 39
10-year publication summary
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2
|
5
|
6
|
1
|
2
|
2
|
2
|
2
|
4
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Melvelle Equipment Corp. Pty Ltd | 18 |
6 |
| Harsco Technologies LLC | 138 |
4 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 437 |
2 |
| Robel Bahnbaumaschinen GmbH | 111 |
2 |
| Sperry Rail Holdings, Inc. | 11 |
2 |
| Transportation Technology Center, Inc. | 16 |
2 |
| Mate GmbH | 19 |
2 |
| Peak to Peak Measurement Solutions Limited | 4 |
2 |
| Caterpillar Inc. | 10299 |
1 |
| BYD Company Limited | 6549 |
1 |
| Harsco Corporation | 49 |
1 |
| Nordco Inc. | 89 |
1 |
| Shenzhen University | 1731 |
1 |
| Southwest Jiaotong University | 197 |
1 |
| Crisplant A/S | 24 |
1 |
| Chengdu Zhongxin Huarui Technology Co., Ltd. | 11 |
1 |
| Jiangxi University of Science and Technology | 64 |
1 |
| Conductis B.V. | 1 |
1 |
| Huahai Engineering Co., Ltd of CREC Shanghai | 31 |
1 |
| Shanghai Civil Engineering Co., Ltd of CREC | 63 |
1 |
| Other owners | 5 |