Patent holdings for IPC class E01B 21/00

Total number of patents in this class: 40

10-year publication summary

2
1
1
5
2
1
2
3
1
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Plastiform's
8
5
Datwyler Sealing Technologies Deutschland GmbH
15
3
Gmundner Fertigteile Gesellschaft m.b.H. & Co. KG.
24
3
Polycorp Ltd.
66
3
Bombardier Transportation GmbH
682
2
edilon)(sedra B.V.
16
2
Embedded Rail Technology Limited
7
2
Hilltrac, Inc.
9
2
CDM NV
21
2
edilon sedra GmbH
8
2
Alstom Transport Technologies
566
1
Covestro Deutschland AG
2429
1
Daetwyler Sealing Technologies Deutschland GmbH
5
1
ETF
13
1
Fibera, Inc.
4
1
Max Bogl Bauunternehmung GmbH & Co. KG
30
1
COMPOSITE DAMPING MATERIAL N.V., in het kort 'CDM'
2
1
Polyplan GmbH
1
1
Carpet Track Ltd
2
1
Voestalpine Railway Systems Nortrak LLC
37
1
Other owners 4