- All sections
- B - Performing operationstransporting
- B61H - Brakes or other retarding devices specially adapted for rail vehiclesarrangement or disposition thereof in rail vehicles
- B61H 7/00 - Brakes with braking members co-operating with the track
Patent holdings for IPC class B61H 7/00
Total number of patents in this class: 26
10-year publication summary
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3
|
3
|
0
|
2
|
1
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1
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2
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2
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3
|
1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CRRC Qingdao Sifang Co., Ltd. | 403 |
2 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 569 |
2 |
| Nippon Steel Corporation | 6843 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
2 |
| Oracle International Corporation | 13548 |
1 |
| Mitsubishi Electric Corporation | 47971 |
1 |
| China University of Mining and Technology | 1308 |
1 |
| Dynamic Attractions Ltd. | 6 |
1 |
| Intelligrated Headquarters, LLC | 454 |
1 |
| Japan Cash Machine Co., Ltd. | 301 |
1 |
| Knorr-Bremse Gesellschaft mit Beschränkter Haftung | 152 |
1 |
| Mitsui Engineering & Shipbuilding Co., Ltd. | 295 |
1 |
| Nabtesco Corporation | 862 |
1 |
| Otis Elevator Company | 2694 |
1 |
| Srm, LLC | 2 |
1 |
| Walmart Apollo, LLC | 6540 |
1 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6181 |
1 |
| Transportation IP Holdings, LLC | 990 |
1 |
| CRRC Changchun Railway Vehicles Co., Ltd. | 281 |
1 |
| FERNANDEZ ROJAS, Maite Alejandra | 9 |
1 |
| Other owners | 2 |