- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 21/00 - Track superstructure specially adapted for tramways in paved streets
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 |