- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 9/42 - Tie-plates for flat-bottom rails of two or more parts
Patent holdings for IPC class E01B 9/42
Total number of patents in this class: 32
10-year publication summary
|
1
|
8
|
6
|
5
|
1
|
4
|
2
|
3
|
0
|
0
|
| 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 |
4 |
| Vossloh-Werke GmbH | 96 |
4 |
| Amsted Rail Company, Inc. | 432 |
3 |
| Pandrol Limited | 94 |
3 |
| Sika Technology AG | 2650 |
3 |
| Delkor Rail Pty. Ltd. | 2 |
2 |
| Pandrol Iberica S.A.U. | 5 |
2 |
| Gantry Railing Limited | 13 |
1 |
| HF Holding SA | 28 |
1 |
| Intercast & Forge Pty Limited | 3 |
1 |
| Koninklijke BAM Groep N.V. | 40 |
1 |
| L.B. Foster Company | 53 |
1 |
| Movares Nederland B.V. | 16 |
1 |
| Semperit AG Holding | 30 |
1 |
| Ed. Züblin AG | 42 |
1 |
| Progress Rail a Caterpillar Company | 1 |
1 |
| Specter Innovations Group Pty Ltd | 3 |
1 |
| Gantry Railing Ltd. | 2 |
1 |
| Other owners | 0 |