Patent holdings for IPC class B61D 17/04

Total number of patents in this class: 255

10-year publication summary

13
17
32
22
24
27
21
16
16
4
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Siemens Mobility GmbH
1697
21
CRRC Qingdao Sifang Co., Ltd.
377
19
National Steel Car Limited
149
17
Bombardier Transportation GmbH
648
14
Siemens AG
24562
12
Kawasaki Railcar Manufacturing Co., Ltd.
179
12
Siemens AG Österreich
316
10
CRRC Tangshan Co., Ltd.
254
10
JAC Operations, Inc.
52
8
Gunderson LLC
60
6
CRRC Changchun Railway Vehicles Co., Ltd.
232
6
Alstom Holdings
604
5
Nippon Sharyo, Ltd.
79
5
CRRC Zhuzhou Locomotive Co., Ltd
247
5
Siemens Mobility Austria GmbH
164
5
CG Rail - Chinesisch-deutsches Forschungs- und Entwicklungszentrum für Bahn- und Verkehrstechnik Dresden GmbH
19
5
CRRC Nanjing Puzhen Co., Ltd.
99
5
Trinity Rail Group, LLC
108
4
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.)
3049
4
The Boeing Company
19960
3
Other owners 79