Patent holdings for IPC class E01B 35/02

Total number of patents in this class: 8

10-year publication summary

0
2
1
1
0
2
0
1
0
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
B & B Metals, Inc.
51
1
Schwihag AG
34
1
West Japan Railway Company
17
1
Hoseung E&C Co., Ltd
3
1
Kaneko Corporation
1
1
GM Rail Services Ltd
2
1
Railtech Co., Ltd.
1
1
Loram Technologies, Inc.
60
1
Other owners 0