- All sections
- B - Performing operations; transporting
- B61H - Brakes or other retarding devices specially adapted for rail vehicles; arrangement 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: 22
10-year publication summary
2
|
7
|
3
|
3
|
0
|
2
|
1
|
1
|
2
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
CRRC Qingdao Sifang Co., Ltd. | 354 |
2 |
Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 566 |
2 |
Nippon Steel Corporation | 5649 |
2 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
2 |
Oracle International Corporation | 12313 |
1 |
Mitsubishi Electric Corporation | 43934 |
1 |
China University of Mining and Technology | 1189 |
1 |
Dynamic Attractions Ltd. | 9 |
1 |
Knorr-Bremse Gesellschaft mit Beschränkter Haftung | 150 |
1 |
Mitsui Engineering & Shipbuilding Co., Ltd. | 331 |
1 |
Nabtesco Corporation | 871 |
1 |
Otis Elevator Company | 2677 |
1 |
POSCO | 2222 |
1 |
Srm, LLC | 2 |
1 |
Walmart Apollo, LLC | 5887 |
1 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
1 |
FERNANDEZ ROJAS, Maite Alejandra | 8 |
1 |
FRANCISCO PEDRO, Marcelo Fabian | 1 |
1 |
Other owners | 0 |