Patent holdings for IPC class E01B 11/38

Total number of patents in this class: 2

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
Scania CV AB
2402
1
China Railway First Group Co., Ltd.
17
1
Other owners 0