- All sections
- B - Performing operationstransporting
- B61G - Couplings specially adapted for railway vehiclesdraught or buffing appliances specially adapted for railway vehicles
- B61G 3/00 - Couplings comprising mating parts of similar shape or form which can be coupled without the use of any additional element or elements
Patent holdings for IPC class B61G 3/00
Total number of patents in this class: 53
10-year publication summary
|
2
|
4
|
2
|
2
|
1
|
4
|
1
|
0
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bedloe Industries LLC | 72 |
11 |
| McConway & Torley, LLC | 50 |
8 |
| Dellner Couplers AB | 113 |
5 |
| CRRC Qiqihar Rolling Stock Co., Ltd. | 117 |
4 |
| Strato, Inc. | 22 |
3 |
| Voith Patent GmbH | 2740 |
3 |
| Wabtec Holding Corp. | 338 |
3 |
| Amsted Rail Company, Inc. | 412 |
2 |
| Pennsy Corporation | 45 |
2 |
| Rail-veyor Technologies Global Inc. | 26 |
2 |
| Strato Technology Solutions, LLC | 31 |
2 |
| National Steel Car Limited | 145 |
1 |
| E-Medic Polybuilt Ambulance Inc. | 1 |
1 |
| Transportation IP Holdings, LLC | 1009 |
1 |
| Broadsens Corp. (Jiaxing) | 4 |
1 |
| CRRC Dalian Co., Ltd. | 67 |
1 |
| Raildata B.V. | 1 |
1 |
| Space Applications Services NV/SA | 13 |
1 |
| CRRC Braking System Co., Ltd. | 18 |
1 |
| Other owners | 0 |