Patent holdings for IPC class B61G 7/04

Total number of patents in this class: 17

10-year publication summary

1
3
2
2
0
2
2
1
0
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Transportation IP Holdings, LLC
1003
7
International Electronic Machines Corporation
103
2
Inter-Rail Transport, Inc.
6
2
Canadian National Railway Company
144
1
Cockerill Maintenance & Ingenierie SA
79
1
Institute of Automation, Chinese Academy of Sciences
348
1
Ireco, LLC
28
1
Kadee Quality Products Co.
6
1
Voith Patent GmbH
2742
1
Other owners 0