- All sections
- B - Performing operationstransporting
- B61D - Body details or kinds of railway vehicles
- B61D 17/22 - Communication passages between coachesAdaptation of coach ends therefor flexible, e.g. bellows
Patent holdings for IPC class B61D 17/22
Total number of patents in this class: 92
10-year publication summary
|
6
|
6
|
9
|
13
|
9
|
9
|
6
|
9
|
3
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HÜBNER GmbH & Co. KG | 142 |
18 |
| Dellner Couplers AB | 104 |
14 |
| BYD Company Limited | 4804 |
8 |
| ATG Autotechnik GmbH | 13 |
5 |
| Siemens Mobility GmbH | 1702 |
5 |
| Bombardier Transportation GmbH | 647 |
4 |
| The Yokohama Rubber Co., Ltd. | 4013 |
3 |
| Alstom Holdings | 607 |
2 |
| P.E.I. Protezioni Elaborazioni Industriali S.r.l. (fiscal Code 02894991203 and VAT Number 02894991203) | 8 |
2 |
| Pennel et Flipo SPRL | 2 |
2 |
| Sumitomo Riko Company Limited | 1044 |
2 |
| West Japan Railway Company | 17 |
2 |
| Narita Mfg., Ltd. | 3 |
2 |
| Siemens AG Österreich | 315 |
1 |
| Siemens Industry, Inc. | 1440 |
1 |
| Carrosserie Hess AG | 20 |
1 |
| Coventry University | 44 |
1 |
| CRRC Qingdao Sifang Co., Ltd. | 378 |
1 |
| CRRC Tangshan Co., Ltd. | 254 |
1 |
| Dynatect Manufacturing, Inc. | 23 |
1 |
| Other owners | 16 |