- All sections
- B - Performing operationstransporting
- B61C - Locomotivesmotor railcars
- B61C 5/02 - Arrangement or disposition of intakes and apparatus for supplying, circulating, or filtering air for combustion or engine-cooling purposes
Patent holdings for IPC class B61C 5/02
Total number of patents in this class: 45
10-year publication summary
|
7
|
1
|
1
|
2
|
1
|
7
|
1
|
0
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24558 |
5 |
| Bombardier Transportation GmbH | 655 |
4 |
| Progress Rail Locomotive Inc. | 306 |
4 |
| Siemens Mobility GmbH | 1648 |
4 |
| CRRC Dalian Institute Co., Ltd. | 30 |
4 |
| General Electric Company | 17793 |
3 |
| GE Global Sourcing LLC | 904 |
3 |
| Hitachi, Ltd. | 15259 |
2 |
| Progress Rail Services Corp | 238 |
2 |
| Alstom Holdings | 513 |
2 |
| Kawasaki Motors, Ltd. | 1125 |
2 |
| CRRC Qingdao Sifang Co., Ltd. | 376 |
1 |
| Knoxville Locomotive Works, Inc. | 9 |
1 |
| New York Air Brake LLC | 262 |
1 |
| Norfolk Southern Corporation | 54 |
1 |
| Railpower Technologies Corp. | 6 |
1 |
| Vectrix Corporation | 5 |
1 |
| Transportation IP Holdings, LLC | 909 |
1 |
| Siemens Mobility Austria GmbH | 152 |
1 |
| CRRC Qishuyan Co., Ltd | 25 |
1 |
| Other owners | 1 |