- All sections
- B - Performing operations; transporting
- B61H - Brakes or other retarding devices specially adapted for rail vehicles; arrangement or disposition thereof in rail vehicles
- B61H 11/00 - Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
Patent holdings for IPC class B61H 11/00
Total number of patents in this class: 71
10-year publication summary
|
9
|
8
|
5
|
2
|
5
|
6
|
6
|
9
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 566 |
6 |
| Siemens Mobility GmbH | 1550 |
5 |
| Meishan CRRC Brake Science & Technology Co., Ltd. | 20 |
4 |
| Korea Railroad Research Institute | 175 |
3 |
| Wabtec Holding Corp. | 407 |
3 |
| Miktech Co., Ltd. | 3 |
3 |
| Bombardier Transportation GmbH | 682 |
2 |
| CRRC Tangshan Co., Ltd. | 239 |
2 |
| New York Air Brake Corporation | 110 |
2 |
| New York Air Brake LLC | 261 |
2 |
| Walmart Apollo, LLC | 5887 |
2 |
| Siemens Mobility, Inc. | 329 |
2 |
| GE Global Sourcing LLC | 944 |
2 |
| Transportation IP Holdings, LLC | 843 |
2 |
| Crcc Nanjing Puzhen Haitai Brake Equipment Co., Ltd | 4 |
2 |
| Xiangtan Electric Locomotive Factory Co., Ltd | 2 |
2 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Siemens AG Österreich | 316 |
1 |
| Brown Industries, LLC | 7 |
1 |
| Central Japan Railway Company | 127 |
1 |
| Other owners | 23 |