- All sections
- B - Performing operationstransporting
- B61K - Auxiliary equipment specially adapted for railways, not otherwise provided for
- B61K 5/06 - Derailing or re-railing blocks
Patent holdings for IPC class B61K 5/06
Total number of patents in this class: 16
10-year publication summary
|
0
|
3
|
0
|
2
|
0
|
2
|
1
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Western-Cullen-Hayes, Inc. | 17 |
5 |
| Pennsy Corporation | 37 |
2 |
| Westinghouse Air Brake Technologies Corporation | 504 |
2 |
| Progress Rail Services Corp | 234 |
1 |
| Non Intrusive Crossover System Limited | 3 |
1 |
| Railserve, Inc. | 31 |
1 |
| Green Timber Energy | 1 |
1 |
| Alltino AS | 1 |
1 |
| Crsc (Xi'an) Rail Transit Industry Group Co., Ltd. | 27 |
1 |
| Xi'an Railway Signal Co., Ltd. | 13 |
1 |
| Other owners | 0 |