Patent holdings for IPC class B61D 3/18

Total number of patents in this class: 216

10-year publication summary

10
26
26
27
32
28
17
9
5
19
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Trinity Rail Group, LLC
111
26
Transportation IP Holdings, LLC
931
25
Trinity North American Freight Car, Inc.
50
22
Lohr Industrie
62
13
National Steel Car Limited
150
10
Flexiwaggon AB
13
8
Holland, L.P.
58
7
CRRC Qiqihar Rolling Stock Co., Ltd.
110
5
CRRC Shandong Co., Ltd.
29
5
Crain Mobility S.r.l.
6
5
Holden America IL, LLC
8
4
Pennsy Corporation
42
4
Trinity Industries, Inc.
73
4
Amazon Technologies, Inc.
26551
3
Co.el.da. Software SRL
10
3
Gunderson LLC
60
3
Kaessbohrer Transport Technik GmbH
3
3
Helrom GmbH
13
3
Brandt Road Rail Corporation
11
2
CargoBeamer AG
15
2
Other owners 59