Patent holdings for IPC class B61D 9/02

Total number of patents in this class: 13

10-year publication summary

1
1
0
0
1
1
3
1
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Amsted Rail Company, Inc.
423
1
Gunderson LLC
73
1
Jk-co, LLC
3
1
Montana Hydraulics, LLC
1
1
MSB-Management GmbH
3
1
Qiqihar Railway Rolling Stock Co., Ltd.
45
1
Usinas Siderurgicas de Minas Gerais S.a.-usiminas,
1
1
Vale S.A.
262
1
CRRC Yangtze Co., Ltd.
84
1
CRRC Taiyuan Co., Ltd
6
1
Radionica Zeljeznickih Vozila Cakovec d.o.o.
1
1
Loram Technologies, Inc.
53
1
Jk-co.
1
1
Other owners 0