- All sections
- B - Performing operationstransporting
- B61H - Brakes or other retarding devices specially adapted for rail vehiclesarrangement or disposition thereof in rail vehicles
- B61H 13/20 - Transmitting mechanisms
Patent holdings for IPC class B61H 13/20
Total number of patents in this class: 94
10-year publication summary
|
6
|
6
|
12
|
13
|
9
|
5
|
7
|
5
|
3
|
7
|
| 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 |
11 |
| Faiveley Transport Amiens | 39 |
9 |
| Wabtec Hauts-de-france | 49 |
9 |
| Wabtec Holding Corp. | 338 |
7 |
| Faiveley Transport Nordic AB | 15 |
4 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 571 |
4 |
| Duplicent, LLC | 62 |
4 |
| Faiveley Transport Italia S.p.A. | 175 |
3 |
| New York Air Brake Corporation | 79 |
3 |
| Transportation IP Holdings, LLC | 1009 |
3 |
| Mitsubishi Electric Corporation | 48351 |
2 |
| CRRC Qiqihar Rolling Stock Co., Ltd. | 117 |
2 |
| FAIVELEY TRANSPORT ITALIA S. p. A. | 4 |
2 |
| Harsco Technologies LLC | 138 |
2 |
| Knorr Brake Company, LLC | 10 |
2 |
| Korea Railroad Research Institute | 184 |
2 |
| CRRC Nanjing Puzhen Co., Ltd. | 104 |
2 |
| Ford Motor Company | 2654 |
1 |
| Hitachi, Ltd. | 16206 |
1 |
| Siemens AG Österreich | 318 |
1 |
| Other owners | 20 |