- All sections
- B - Performing operationstransporting
- B61H - Brakes or other retarding devices specially adapted for rail vehiclesarrangement or disposition thereof in rail vehicles
- B61H 13/34 - Actuating rail-vehicle brakes Details
Patent holdings for IPC class B61H 13/34
Total number of patents in this class: 129
10-year publication summary
|
16
|
19
|
11
|
17
|
19
|
9
|
7
|
11
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Westinghouse Air Brake Technologies Corporation | 503 |
30 |
| New York Air Brake LLC | 265 |
16 |
| Wabtec Holding Corp. | 369 |
9 |
| Amsted Rail Company, Inc. | 432 |
7 |
| Faiveley Transport Amiens | 57 |
7 |
| Siemens Mobility GmbH | 1711 |
5 |
| Faiveley Transport Italia S.p.A. | 158 |
4 |
| Nabtesco Corporation | 888 |
4 |
| BNSF Railway Company | 416 |
3 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 572 |
3 |
| New York Air Brake Corporation | 85 |
3 |
| Harsco Technologies LLC | 148 |
2 |
| Ireco, LLC | 26 |
2 |
| Korea Railroad Research Institute | 177 |
2 |
| Mitsubishi Electric Research Laboratories, Inc. | 1061 |
2 |
| RFPC Holding Corp. | 33 |
2 |
| Wonder Investments Inc. | 2 |
2 |
| Wabtec Hauts-de-france | 16 |
2 |
| Siemens AG | 24525 |
1 |
| Alstom Holdings | 609 |
1 |
| Other owners | 22 |