Patent holdings for IPC class E01B 13/02

Total number of patents in this class: 18

10-year publication summary

0
2
1
3
0
0
3
0
0
1
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Lewis Bolt & Nut Company
22
5
Progress Rail Services Corp
225
4
Good Earth Tools, Inc.
18
2
Pandrol Limited
94
2
Voestalpine VAE GmbH
34
2
Voestalpine Nortrak Inc.
4
1
HR System Hungary Zrt.
1
1
Voestalpine Railway Systems Nortrak LLC
37
1
Other owners 0