- All sections
- B - Performing operationstransporting
- B61D - Body details or kinds of railway vehicles
- B61D 15/12 - Railway inspection trolleys power-propelled
Patent holdings for IPC class B61D 15/12
Total number of patents in this class: 56
10-year publication summary
|
1
|
1
|
2
|
5
|
3
|
4
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10
|
11
|
12
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Trenitalia S.p.A. | 85 |
4 |
| KEOLIS, Société anonyme | 42 |
3 |
| Melvelle Equipment Corp. Pty Ltd | 17 |
3 |
| Scuola Superiore Sant'anna | 21 |
3 |
| Railway Robotics AS | 9 |
3 |
| Jingdong Technology Information Technology Co., Ltd. | 181 |
3 |
| Semes Co., Ltd. | 1509 |
2 |
| Servail GmbH | 4 |
2 |
| Next Generation Robotics S.r.l. | 4 |
2 |
| Samsung Electronics Co., Ltd. | 145630 |
1 |
| The Johns Hopkins University | 5662 |
1 |
| Hatch Ltd. | 213 |
1 |
| Herzog Railroad Services, Inc. | 61 |
1 |
| Herzog Services, Inc. | 19 |
1 |
| Honeywell Federal Manufacturing & Technologies, LLC | 315 |
1 |
| Mendocino Railway | 19 |
1 |
| Nanjing University of Aeronautics and Astronautics | 426 |
1 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 418 |
1 |
| Rail Pod Incorporated | 6 |
1 |
| Scuola Superiore di Studi Universitari e di Perfezionamento Sant'anna | 154 |
1 |
| Other owners | 20 |