- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 11/56 - Special arrangements for supporting rail ends
Patent holdings for IPC class E01B 11/56
Total number of patents in this class: 6
10-year publication summary
|
3
|
1
|
1
|
1
|
1
|
0
|
0
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IHI Corporation | 3268 |
2 |
| L.B. Foster Company | 53 |
1 |
| Ferrovial Agroman, S.A. | 7 |
1 |
| Maurer Engineering GmbH | 42 |
1 |
| Ferrovial Construcción, S.A. | 7 |
1 |
| Other owners | 0 |