- All sections
- B - Performing operationstransporting
- B61K - Auxiliary equipment specially adapted for railways, not otherwise provided for
- B61K 9/00 - Railway vehicle profile gaugesDetecting or indicating overheating of componentsApparatus on locomotives or cars to indicate bad track sectionsGeneral design of track recording vehicles
Patent holdings for IPC class B61K 9/00
Total number of patents in this class: 93
10-year publication summary
|
17
|
19
|
12
|
3
|
5
|
8
|
3
|
1
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility GmbH | 1648 |
6 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 569 |
5 |
| Progress Rail Services Corp | 238 |
4 |
| Aktiebolaget SKF | 2856 |
4 |
| Bombardier Transportation GmbH | 655 |
3 |
| SmartDrive Systems, Inc. | 183 |
3 |
| Tetra Tech, Inc. | 110 |
3 |
| Loram Technologies, Inc. | 59 |
3 |
| Kawasaki Railcar Manufacturing Co., Ltd. | 178 |
3 |
| Amsted Rail Company, Inc. | 435 |
2 |
| BCE Inc. | 414 |
2 |
| Globiz Co., Ltd. | 18 |
2 |
| International Electronic Machines Corporation | 110 |
2 |
| Korea Railroad Research Institute | 173 |
2 |
| New York Air Brake LLC | 262 |
2 |
| Newtl | 39 |
2 |
| Westinghouse Air Brake Technologies Corporation | 512 |
2 |
| GE Global Sourcing LLC | 904 |
2 |
| Korea Railroad Corporation | 23 |
2 |
| CRRC Changchun Railway Vehicles Co., Ltd. | 205 |
2 |
| Other owners | 37 |