- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 9/46 - Fastening the rail on the tie-plate by clamps
Patent holdings for IPC class E01B 9/46
Total number of patents in this class: 20
10-year publication summary
|
2
|
1
|
2
|
3
|
2
|
0
|
2
|
0
|
0
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Progress Rail Services Corp | 225 |
3 |
| HF Holding SA | 28 |
3 |
| Koninklijke BAM Groep N.V. | 40 |
2 |
| Movares Nederland B.V. | 16 |
2 |
| Gantry Railing Limited | 13 |
1 |
| L.B. Foster Company | 53 |
1 |
| Racine Railroad Products, Inc. | 18 |
1 |
| Railtech Sufetra, S.A. | 2 |
1 |
| Thyssenkrupp GFT Gleistechnik GmbH | 8 |
1 |
| Voestalpine Nortrak Inc. | 4 |
1 |
| Voestalpine VAE GmbH | 34 |
1 |
| Vossloh-Werke GmbH | 96 |
1 |
| Yangtze Railroad Materials | 7 |
1 |
| Gantry Railing Ltd. | 2 |
1 |
| Other owners | 0 |