- All sections
- B - Performing operationstransporting
- B61K - Auxiliary equipment specially adapted for railways, not otherwise provided for
- B61K 7/02 - Track brakes or retarding apparatus
Patent holdings for IPC class B61K 7/02
Total number of patents in this class: 17
10-year publication summary
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2
|
3
|
1
|
1
|
0
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0
|
2
|
0
|
1
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Precision Rail and Mfg., Inc. | 28 |
9 |
| Trackside Services, Inc. | 2 |
2 |
| Siemens AG | 24199 |
1 |
| Hyundai Motor Company | 23824 |
1 |
| AAA Sales & Engineering, Inc. | 1 |
1 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 570 |
1 |
| Stabilus GmbH | 238 |
1 |
| Advanced Rail Systems, LLC | 10 |
1 |
| Other owners | 0 |