- All sections
- B - Performing operationstransporting
- B61F - Rail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axlesrail vehicles for use on tracks of different widthpreventing derailing of rail vehicleswheel guards, obstruction removers or the like for rail vehicles
- B61F 5/06 - Bolster supports or mountings incorporating metal springs
Patent holdings for IPC class B61F 5/06
Total number of patents in this class: 53
10-year publication summary
|
3
|
4
|
16
|
9
|
3
|
4
|
2
|
2
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amsted Rail Company, Inc. | 430 |
12 |
| Nevis Industries LLC | 63 |
9 |
| National Steel Car Limited | 149 |
5 |
| Transportation IP Holdings, LLC | 923 |
3 |
| Alstom Holdings | 604 |
2 |
| Electro-Motive Diesel, Inc. | 72 |
2 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 571 |
2 |
| Siemens Mobility Austria GmbH | 164 |
2 |
| Kawasaki Railcar Manufacturing Co., Ltd. | 179 |
2 |
| Samsung Electronics Co., Ltd. | 143021 |
1 |
| Mitsubishi Electric Corporation | 45583 |
1 |
| CRRC Qiqihar Rolling Stock Co., Ltd. | 105 |
1 |
| CRRC Tangshan Co., Ltd. | 254 |
1 |
| Liebherr-Aerospace Lindenberg GmbH | 118 |
1 |
| Liebherr-Transportation Systems GmbH & Co. KG | 10 |
1 |
| Officine Metallurgiche G. Cornaglia S.p.A. | 20 |
1 |
| Strato, Inc. | 29 |
1 |
| Tractive Power Corporation | 5 |
1 |
| CRRC Yangtze Co., Ltd. | 84 |
1 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3045 |
1 |
| Other owners | 3 |