- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 7/28 - Crossings
Patent holdings for IPC class E01B 7/28
Total number of patents in this class: 26
10-year publication summary
|
5
|
2
|
1
|
1
|
1
|
1
|
3
|
2
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Polycorp Ltd. | 66 |
3 |
| Checkers Industrial Products, Inc. | 4 |
2 |
| Checkers Industrial Products, LLC | 56 |
2 |
| Cleveland Track Material, Inc. | 20 |
2 |
| Voestalpine VAE GmbH | 34 |
2 |
| Siemens Mobility, Inc. | 329 |
2 |
| Progress Rail Services Corp | 225 |
1 |
| Alstom Transport Technologies | 566 |
1 |
| Bombardier Transportation GmbH | 682 |
1 |
| Cleveland Reclaim Industries, Inc. | 34 |
1 |
| Knapp AG | 122 |
1 |
| Masonite Corporation | 461 |
1 |
| Newtl | 40 |
1 |
| Voestalpine Weichensysteme GmbH | 8 |
1 |
| Peterson Systems International, Inc. | 3 |
1 |
| Jez Sistemas Ferroviarios, S.L. | 7 |
1 |
| Pandrol Iberica S.A.U. | 5 |
1 |
| Lindemulder, Paul | 2 |
1 |
| Het Elastomertechnik GmbH | 1 |
1 |
| Other owners | 0 |