Patent holdings for IPC class E01B 9/02

Total number of patents in this class: 54

10-year publication summary

8
6
7
3
7
4
6
0
2
1
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Vossloh-Werke GmbH
96
8
Progress Rail Services Corp
225
4
Amsted Rail Company, Inc.
432
3
Pandrol Limited
94
3
Geotek, LLC
9
2
Nordco Inc.
104
2
Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H.
385
2
Specter Innovations Group Pty Ltd
3
2
Voestalpine Railway Systems Nortrak LLC
37
2
Amsted RPS
1
1
B & B Metals, Inc.
51
1
Daetwyler Sealing Technologies Deutschland GmbH
5
1
Delkor Rail Pty. Ltd.
2
1
Duropar Technologies Inc.
1
1
Encore Rail Systems, Inc.
19
1
Geopier Foundation Company, Inc.
149
1
Herzog Railroad Services, Inc.
48
1
HF Holding SA
28
1
Lewis Bolt & Nut Company
22
1
Max Bogl Bauunternehmung GmbH & Co. KG
30
1
Other owners 15