- 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: 133
10-year publication summary
|
19
|
11
|
17
|
19
|
9
|
7
|
11
|
2
|
1
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Westinghouse Air Brake Technologies Corporation | 486 |
27 |
| New York Air Brake LLC | 271 |
16 |
| Amsted Rail Company, Inc. | 412 |
7 |
| Wabtec Holding Corp. | 336 |
7 |
| Faiveley Transport Amiens | 39 |
6 |
| Wabtec Hauts-de-france | 49 |
6 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 571 |
5 |
| Nabtesco Corporation | 858 |
5 |
| Siemens Mobility GmbH | 1896 |
5 |
| BNSF Railway Company | 559 |
4 |
| Faiveley Transport Italia S.p.A. | 177 |
4 |
| New York Air Brake Corporation | 79 |
4 |
| Harsco Technologies LLC | 138 |
2 |
| Ireco, LLC | 28 |
2 |
| Korea Railroad Research Institute | 184 |
2 |
| Mitsubishi Electric Research Laboratories, Inc. | 1141 |
2 |
| RFPC Holding Corp. | 33 |
2 |
| Wonder Investments Inc. | 2 |
2 |
| Siemens AG | 23913 |
1 |
| Alstom Holdings | 631 |
1 |
| Other owners | 23 |