- All sections
- B - Performing operationstransporting
- B61H - Brakes or other retarding devices specially adapted for rail vehiclesarrangement 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: 90
10-year publication summary
|
19
|
16
|
6
|
11
|
3
|
8
|
3
|
0
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Westinghouse Air Brake Technologies Corporation | 504 |
16 |
| Amsted Rail Company, Inc. | 430 |
14 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 571 |
10 |
| Wabtec Holding Corp. | 370 |
8 |
| Faiveley Transport Nordic AB | 18 |
4 |
| Nabtesco Corporation | 886 |
4 |
| New York Air Brake LLC | 265 |
3 |
| Ovinto CVBA | 12 |
3 |
| Transportation IP Holdings, LLC | 923 |
3 |
| Siemens AG | 24542 |
2 |
| Akebono Brake Industry Co., Ltd. | 361 |
2 |
| Cetres Holdings, LLC | 104 |
2 |
| VULKAN do Brasil Ltda | 4 |
2 |
| Mitsubishi Electric Corporation | 45583 |
1 |
| Bendix Commercial Vehicle Systems LLC | 873 |
1 |
| Faiveley Transport Amiens | 58 |
1 |
| Faiveley Transport Italia S.p.A. | 155 |
1 |
| Kayaba Industry Co., Ltd. | 358 |
1 |
| Madras Engineering Industries Private Limited | 15 |
1 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
1 |
| Other owners | 10 |