Patent holdings for IPC class E01C 7/34

Total number of patents in this class: 4

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
Vuba Chemical Innovations Limited
15
2
Fuzhou University
341
1
Shanghai Pudong Road & Bridge (Group) Co., Ltd
2
1
Other owners 0