Patent holdings for IPC class E01B 29/42

Total number of patents in this class: 28

10-year publication summary

7
0
5
0
0
2
1
0
1
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H.
424
5
Railtech International
16
4
CSX Transportation
4
2
Franz Plasser Bahnbaumaschinen-industriegesellschaft m.b.H.
67
2
Koppers Delaware, Inc.
70
2
CF&I Steel L.P., d/b/a EVRAZ Rocky Mountain Steel
4
2
Datwyler Sealing Technologies Deutschland GmbH
15
1
FCC Construccion S.A.
7
1
Nippon Steel Corporation
6549
1
Robel Bahnbaumaschinen GmbH
113
1
Sperling Railway Services, Inc.
9
1
Strukton Rail B.V.
2
1
W & D McCulloch Ltd.
23
1
Mirage Ltd
3
1
Jarvis Rail Limited
1
1
Jamesmillersolutions Ltd
1
1
KB Signaling Inc.
99
1
Other owners 0