- 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: 134
10-year publication summary
|
7
|
8
|
19
|
11
|
14
|
7
|
10
|
7
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility GmbH | 1893 |
26 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 571 |
25 |
| Knorr-Bremse Gesellschaft mit Beschränkter Haftung | 153 |
21 |
| Nowe GmbH | 31 |
18 |
| GE Global Sourcing LLC | 861 |
6 |
| Transportation IP Holdings, LLC | 1009 |
4 |
| Siemens AG | 23956 |
3 |
| Hanning & Kahl GmbH & Co. KG | 35 |
3 |
| General Electric Company | 13982 |
2 |
| Progress Rail Locomotive Inc. | 337 |
2 |
| Siemens Mobility, Inc. | 375 |
2 |
| CRRC Zhuzhou Locomotive Co., Ltd | 264 |
2 |
| ZF Friedrichshafen AG | 7276 |
1 |
| Siemens Industry, Inc. | 1589 |
1 |
| Bombardier Transportation GmbH | 559 |
1 |
| Faiveley Transport | 18 |
1 |
| Ibeg Systems GmbH | 1 |
1 |
| KLEIN Anlagenbau AG | 5 |
1 |
| L. B. Foster Company | 13 |
1 |
| L.B. Foster Company | 53 |
1 |
| Other owners | 12 |