Patent holdings for IPC class B61D 3/02

Total number of patents in this class: 47

10-year publication summary

9
6
10
7
9
3
2
0
4
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Trinity North American Freight Car, Inc.
50
15
Trinity Rail Group, LLC
109
8
National Steel Car Limited
145
3
Pennsy Corporation
45
3
Stadler Rail AG
36
3
CRRC Qingdao Sifang Co., Ltd.
409
2
Gunderson LLC
73
2
Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H.
437
2
Green Swan Technologies, LLC
5
2
Taiwan Semiconductor Manufacturing Company, Ltd.
48629
1
Ancra International LLC
132
1
Bombardier Transportation GmbH
569
1
ST Reproductive Technologies, LLC
54
1
SRT Societa' a Responsabilita' limitata Con Socio Unico
3
1
Laude Smart Intermodal Spolka Akcyjna
4
1
Akb Antriebstechnik GmbH
1
1
Other owners 0