- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 11/54 - Electrically-insulating rail joints
Patent holdings for IPC class E01B 11/54
Total number of patents in this class: 35
10-year publication summary
|
3
|
1
|
3
|
5
|
0
|
1
|
0
|
2
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Koppers Delaware, Inc. | 70 |
16 |
| Movares Nederland B.V. | 18 |
3 |
| Corus Technology BV | 6 |
2 |
| DB Netz AG | 21 |
2 |
| L. B. Foster Company | 13 |
2 |
| L.B. Foster Company | 52 |
2 |
| Pultrusion Technique Inc. | 58 |
2 |
| Siemens AG | 24572 |
1 |
| Alstom Holdings | 584 |
1 |
| ERICO International Corporation | 240 |
1 |
| Lankhorst Recycling Products B.V. | 1 |
1 |
| Plastex SA | 32 |
1 |
| AB Consulting S.A.S. di Andrea Bracciali & C. | 3 |
1 |
| Other owners | 0 |