Patent holdings for IPC class B61G 3/30

Total number of patents in this class: 2

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
CRRC Qiqihar Rolling Stock Co., Ltd.
115
1
CRRC Mudanjiang Jinyuan Casting Co., Ltd.
3
1
Other owners 0