Patent holdings for IPC class B61D 17/04

Total number of patents in this class: 257

10-year publication summary

12
16
27
19
21
23
18
13
16
6
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Siemens Mobility GmbH
1751
21
CRRC Qingdao Sifang Co., Ltd.
384
19
National Steel Car Limited
151
17
Bombardier Transportation GmbH
643
14
Siemens AG
24346
12
Kawasaki Railcar Manufacturing Co., Ltd.
181
12
CRRC Tangshan Co., Ltd.
261
11
Siemens AG Österreich
317
10
JAC Operations, Inc.
55
8
Gunderson LLC
64
6
CRRC Changchun Railway Vehicles Co., Ltd.
257
6
Alstom Holdings
617
5
Nippon Sharyo, Ltd.
79
5
Trinity Rail Group, LLC
111
5
CRRC Zhuzhou Locomotive Co., Ltd
261
5
Siemens Mobility Austria GmbH
172
5
CG Rail - Chinesisch-deutsches Forschungs- und Entwicklungszentrum für Bahn- und Verkehrstechnik Dresden GmbH
19
5
CRRC Nanjing Puzhen Co., Ltd.
101
5
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
3077
4
The Boeing Company
20139
3
Other owners 79