Patent holdings for IPC class E01B 13/02

Total number of patents in this class: 20

10-year publication summary

2
1
3
0
0
3
0
0
2
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Lewis Bolt & Nut Company
22
6
Progress Rail Services Corp
234
3
Good Earth Tools, Inc.
12
2
Pandrol Limited
90
2
Voestalpine VAE GmbH
32
2
Jamak Fabrication-tex, LLC
26
1
Polycorp Ltd.
67
1
Voestalpine Nortrak Inc.
3
1
HR System Hungary Zrt.
1
1
Voestalpine Railway Systems Nortrak LLC
40
1
Other owners 0