- 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 13/36 - Beams; Suspension thereof
Patent holdings for IPC class B61H 13/36
Total number of patents in this class: 65
10-year publication summary
5
|
12
|
11
|
3
|
2
|
3
|
1
|
4
|
0
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Amsted Rail Company, Inc. | 432 |
21 |
Miner Enterprises, Inc. | 111 |
5 |
Powerbrace Corporation | 42 |
5 |
Wabtec Holding Corp. | 407 |
4 |
A. Stucki Co. | 48 |
3 |
Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 566 |
3 |
Standard Car Truck Company | 16 |
3 |
Stucki de Mexico, S. de R.L. de C.V. | 6 |
3 |
Wabtec MZT | 2 |
2 |
Westinghouse Air Brake Technologies Corporation | 521 |
2 |
The Boeing Company | 19843 |
1 |
Siemens AG Österreich | 316 |
1 |
Alstom Transport Technologies | 566 |
1 |
CRRC Qingdao Sifang Co., Ltd. | 354 |
1 |
Faiveley Transport Amiens | 58 |
1 |
Knorr-Bremse Gesellschaft mit Beschränkter Haftung | 150 |
1 |
New York Air Brake LLC | 261 |
1 |
Pennsy Corporation | 36 |
1 |
Schaefer Equipment, Inc. | 1 |
1 |
Stucki De Mexico, De R.L. De C.V. | 1 |
1 |
Other owners | 4 |