- All sections
- B - Performing operationstransporting
- B61C - Locomotivesmotor railcars
- B61C 15/00 - Maintaining or augmenting the starting or braking power by auxiliary devices and measuresPreventing wheel slippageControlling distribution of tractive effort between driving wheels
Patent holdings for IPC class B61C 15/00
Total number of patents in this class: 30
10-year publication summary
|
5
|
4
|
1
|
1
|
5
|
1
|
2
|
2
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Global Sourcing LLC | 861 |
4 |
| Siemens Mobility GmbH | 1891 |
4 |
| Trackmobile LLC | 29 |
2 |
| Transportation IP Holdings, LLC | 1003 |
2 |
| General Electric Company | 13938 |
1 |
| Toshiba Corporation | 12625 |
1 |
| Caterpillar Inc. | 10299 |
1 |
| Harris Corporation | 1265 |
1 |
| Beijing Jiaotong University | 178 |
1 |
| Faiveley Transport Italia S.p.A. | 174 |
1 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 571 |
1 |
| Wabtec Holding Corp. | 339 |
1 |
| Westinghouse Air Brake Technologies Corporation | 487 |
1 |
| Canadian Environmental Technologies Inc. | 1 |
1 |
| Cattron North America, Inc. | 146 |
1 |
| CRRC Zhuzhou Locomotive Co., Ltd | 264 |
1 |
| Inps Environmental Products Inc. | 2 |
1 |
| China Railway Engineering Machinery Research & Design Institute Co., Ltd. | 11 |
1 |
| Inps Environmetnal Products Inc. | 1 |
1 |
| Plasmatrack Limited | 4 |
1 |
| Other owners | 2 |