- All sections
- G - Physics
- G01M - Testing static or dynamic balance of machines or structurestesting of structures or apparatus, not otherwise provided for
- G01M 17/08 - Railway vehicles
Patent holdings for IPC class G01M 17/08
Total number of patents in this class: 264
10-year publication summary
|
20
|
30
|
21
|
17
|
16
|
18
|
18
|
21
|
23
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CRRC Changchun Railway Vehicles Co., Ltd. | 254 |
17 |
| Siemens Mobility GmbH | 1721 |
15 |
| CRRC Qingdao Sifang Co., Ltd. | 382 |
10 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 573 |
10 |
| Hitachi, Ltd. | 15513 |
9 |
| Nippon Steel Corporation | 6274 |
7 |
| The University of Tokyo | 4189 |
7 |
| Siemens AG | 24453 |
6 |
| Mitsubishi Electric Corporation | 46197 |
6 |
| Spherea Test & Services | 32 |
6 |
| Sereme | 6 |
6 |
| NTN Corporation | 4973 |
5 |
| International Electronic Machines Corporation | 106 |
5 |
| Bombardier Transportation GmbH | 645 |
4 |
| Korea Railroad Research Institute | 177 |
4 |
| Southwest Jiaotong University | 166 |
4 |
| Meishan CRRC Brake Science & Technology Co., Ltd. | 26 |
4 |
| Progress Rail Services Corp | 236 |
3 |
| Akebono Brake Industry Co., Ltd. | 359 |
3 |
| Central South University | 444 |
3 |
| Other owners | 130 |