- All sections
- B - Performing operationstransporting
- B61H - Brakes or other retarding devices specially adapted for rail vehiclesarrangement or disposition thereof in rail vehicles
- B61H 13/36 - BeamsSuspension thereof
Patent holdings for IPC class B61H 13/36
Total number of patents in this class: 64
10-year publication summary
|
10
|
6
|
3
|
2
|
3
|
1
|
5
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amsted Rail Company, Inc. | 439 |
21 |
| Miner Enterprises, Inc. | 106 |
4 |
| Powerbrace Corporation | 40 |
4 |
| A. Stucki Co. | 56 |
3 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 571 |
3 |
| Standard Car Truck Company | 16 |
3 |
| Stucki de Mexico, S. de R.L. de C.V. | 6 |
3 |
| Wabtec Hauts-de-france | 36 |
3 |
| Wabtec Holding Corp. | 373 |
2 |
| Wabtec MZT | 2 |
2 |
| Westinghouse Air Brake Technologies Corporation | 503 |
2 |
| The Boeing Company | 20139 |
1 |
| Siemens AG Österreich | 317 |
1 |
| Alstom Holdings | 617 |
1 |
| CRRC Qingdao Sifang Co., Ltd. | 384 |
1 |
| Faiveley Transport Amiens | 40 |
1 |
| Knorr-Bremse Gesellschaft mit Beschränkter Haftung | 149 |
1 |
| New York Air Brake LLC | 266 |
1 |
| Pennsy Corporation | 43 |
1 |
| Schaefer Equipment, Inc. | 1 |
1 |
| Other owners | 5 |