- All sections
- B - Performing operationstransporting
- B24B - Machines, devices, or processes for grinding or polishingdressing or conditioning of abrading surfacesfeeding of grinding, polishing, or lapping agents
- B24B 5/46 - Single-purpose machines or devices for grinding railway car wheels
Patent holdings for IPC class B24B 5/46
Total number of patents in this class: 4
10-year publication summary
|
2
|
0
|
1
|
1
|
0
|
0
|
0
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hegenscheidt-MFD GmbH & Co. KG | 66 |
2 |
| CITIC Dicastal CO., LTD | 568 |
1 |
| Siemens Mobility Austria GmbH | 199 |
1 |
| Other owners | 0 |