- All sections
- B - Performing operationstransporting
- B61D - Body details or kinds of railway vehicles
- B61D 7/32 - Means for assisting charge or discharge
Patent holdings for IPC class B61D 7/32
Total number of patents in this class: 38
10-year publication summary
|
4
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5
|
3
|
2
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3
|
2
|
4
|
5
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Loram Technologies, Inc. | 57 |
4 |
| Drax Power Limited | 19 |
3 |
| Ecofab Covers International Inc. | 32 |
3 |
| A. Stucki Co. | 51 |
2 |
| National Steel Car Limited | 150 |
2 |
| SunCoke Technology and Development LLC | 237 |
2 |
| ETF | 14 |
1 |
| Georgetown Rail Equipment Company | 11 |
1 |
| Gunderson LLC | 60 |
1 |
| Herzog Railroad Services, Inc. | 61 |
1 |
| JAC Operations, Inc. | 52 |
1 |
| Miner Enterprises, Inc. | 107 |
1 |
| Nordic Minesteel Technologies Inc. | 36 |
1 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 418 |
1 |
| Powerbrace Corporation | 40 |
1 |
| Sersa Maschineller Gleisbau AG | 2 |
1 |
| Usinas Siderurgicas de Minas Gerais S.a.-usiminas, | 1 |
1 |
| Vale S.A. | 271 |
1 |
| Arnco Solutions | 2 |
1 |
| CRRC Meishan Co., Ltd. | 23 |
1 |
| Other owners | 8 |