- All sections
- B - Performing operationstransporting
- B61H - Brakes or other retarding devices specially adapted for rail vehiclesarrangement or disposition thereof in rail vehicles
- B61H 13/00 - Actuating rail-vehicle brakes
Patent holdings for IPC class B61H 13/00
Total number of patents in this class: 151
10-year publication summary
|
16
|
10
|
14
|
10
|
3
|
11
|
8
|
6
|
5
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wabtec Holding Corp. | 375 |
17 |
| Westinghouse Air Brake Technologies Corporation | 503 |
13 |
| Faiveley Transport Amiens | 40 |
9 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 571 |
9 |
| Railserve, Inc. | 43 |
7 |
| Mitsubishi Electric Corporation | 46346 |
5 |
| Miner Enterprises, Inc. | 107 |
5 |
| New York Air Brake LLC | 266 |
5 |
| Amsted Rail Company, Inc. | 439 |
4 |
| Powerbrace Corporation | 40 |
4 |
| Rite-Hite Holding Corporation | 655 |
4 |
| Nabtesco Corporation | 888 |
3 |
| New York Air Brake Corporation | 91 |
3 |
| Precision Rail and Mfg., Inc. | 27 |
3 |
| Transportation IP Holdings, LLC | 933 |
3 |
| Dellner Bubenzer AB | 33 |
3 |
| Siemens AG Österreich | 317 |
2 |
| Alstom Holdings | 612 |
2 |
| Davanac Inc. | 3 |
2 |
| Hyperloop Technologies, Inc. | 180 |
2 |
| Other owners | 46 |