- 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 15/00 - Wear-compensating mechanisms, e.g. slack adjusters
Patent holdings for IPC class B61H 15/00
Total number of patents in this class: 92
10-year publication summary
14
|
19
|
16
|
6
|
11
|
3
|
7
|
3
|
0
|
4
|
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 |
16 |
Amsted Rail Company, Inc. | 432 |
14 |
Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 566 |
10 |
Wabtec Holding Corp. | 407 |
8 |
Faiveley Transport Nordic AB | 18 |
4 |
Nabtesco Corporation | 871 |
4 |
New York Air Brake LLC | 261 |
4 |
Strato, Inc. | 64 |
3 |
Transportation IP Holdings, LLC | 843 |
3 |
Siemens AG | 24990 |
2 |
Akebono Brake Industry Co., Ltd. | 354 |
2 |
Cetres Holdings, LLC | 98 |
2 |
Ovinto CVBA | 13 |
2 |
VULKAN do Brasil Ltda | 4 |
2 |
Bendix Commercial Vehicle Systems LLC | 898 |
1 |
Faiveley Transport Amiens | 58 |
1 |
Faiveley Transport Italia S.p.A. | 131 |
1 |
Kayaba Industry Co., Ltd. | 376 |
1 |
KYB Corporation | 1278 |
1 |
Madras Engineering Industries Private Limited | 15 |
1 |
Other owners | 10 |