Patent holdings for IPC class E01C 9/04

Total number of patents in this class: 28

10-year publication summary

6
0
1
3
0
2
0
1
0
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Gmundner Fertigteile Gesellschaft m.b.H. & Co. KG.
20
8
HET Elastomertechnik GmbH
9
4
Cleveland Reclaim Industries, Inc.
45
2
Sonneville AG
15
2
Vossloh-Werke GmbH
87
2
Voestalpine Railway Systems Nortrak LLC
52
2
Daetwyler Sealing Technologies Deutschland GmbH
6
1
Newstyle Nominees Pty. Ltd.
3
1
RAIL.ONE GmbH
18
1
Traffix Devices, Inc.
179
1
REX Articoli Tecnici S.A.
1
1
Austact Pty Ltd.
2
1
Overail S.r.l.
6
1
Het Elastomertechnik GmbH
1
1
Other owners 0