- 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 9/00 - Brakes characterised by, or modified for, their application to special railway systems or purposes
Patent holdings for IPC class B61H 9/00
Total number of patents in this class: 47
10-year publication summary
1
|
9
|
11
|
5
|
3
|
4
|
8
|
2
|
3
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Westinghouse Air Brake Technologies Corporation | 521 |
7 |
New York Air Brake LLC | 261 |
3 |
Bombardier Transportation GmbH | 682 |
2 |
High Velocity Designs, LLC | 12 |
2 |
Hyperloop Technologies, Inc. | 207 |
2 |
Rail-veyor Technologies Global Inc. | 28 |
2 |
GE Global Sourcing LLC | 944 |
2 |
Siemens Mobility GmbH | 1550 |
2 |
Transportation IP Holdings, LLC | 843 |
2 |
Siemens AG | 24990 |
1 |
Alstom Transport Technologies | 566 |
1 |
Amsted Rail Company, Inc. | 432 |
1 |
CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | 84 |
1 |
Dynamic Attractions Ltd. | 9 |
1 |
Faiveley Transport Italia S.p.A. | 131 |
1 |
Firestone Industrial Products Company, LLC | 316 |
1 |
Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 566 |
1 |
Korea Railroad Research Institute | 175 |
1 |
Nabtesco Corporation | 871 |
1 |
Pedarco International Limited | 4 |
1 |
Other owners | 12 |