- All sections
- B - Performing operationstransporting
- B61C - Locomotivesmotor railcars
- B61C 15/10 - Preventing wheel slippage by depositing sand or like friction-increasing materials
Patent holdings for IPC class B61C 15/10
Total number of patents in this class: 132
10-year publication summary
|
9
|
6
|
8
|
16
|
9
|
12
|
6
|
10
|
7
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 570 |
25 |
| Siemens Mobility GmbH | 1724 |
23 |
| Knorr-Bremse Gesellschaft mit Beschränkter Haftung | 148 |
21 |
| Nowe GmbH | 30 |
18 |
| GE Global Sourcing LLC | 890 |
6 |
| Transportation IP Holdings, LLC | 932 |
4 |
| Siemens AG | 24437 |
3 |
| Hanning & Kahl GmbH & Co. KG | 35 |
3 |
| General Electric Company | 13806 |
2 |
| Bombardier Transportation GmbH | 645 |
2 |
| Progress Rail Locomotive Inc. | 321 |
2 |
| Siemens Mobility, Inc. | 360 |
2 |
| Bartling, Luise | 3 |
2 |
| Goldmann, Norbert | 3 |
2 |
| CRRC Zhuzhou Locomotive Co., Ltd | 258 |
2 |
| ZF Friedrichshafen AG | 7158 |
1 |
| Siemens Industry, Inc. | 1464 |
1 |
| Faiveley Transport | 21 |
1 |
| Ibeg Systems GmbH | 1 |
1 |
| KLEIN Anlagenbau AG | 6 |
1 |
| Other owners | 10 |