Patent holdings for IPC class E01B 35/02

Total number of patents in this class: 7

10-year publication summary

2
1
1
0
2
0
1
0
0
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
B & B Metals, Inc.
52
1
Schwihag AG
32
1
West Japan Railway Company
17
1
Hoseung E&C Co., Ltd
3
1
Kaneko Corporation
1
1
Railtech Co., Ltd.
1
1
Loram Technologies, Inc.
59
1
Other owners 0