Patent holdings for IPC class E01B 13/00

Total number of patents in this class: 16

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
Progress Rail Services Corp
225
3
Lewis Bolt & Nut Company
22
3
Rutgers, The State University of New Jersey
1776
3
Cleveland Track Material, Inc.
20
1
EV IP LP
18
1
Hayashi Soji Corporation
2
1
Thomas & Betts International LLC
528
1
Vossloh-Werke GmbH
96
1
Northwest Institute of Eco-environment and Resources, Chinese Academy of Sciences
14
1
Voestalpine Railway Systems Nortrak LLC
37
1
Other owners 0