- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 9/34 - Fastening on steel sleepers with clamp members by resilient steel clips
Patent holdings for IPC class E01B 9/34
Total number of patents in this class: 13
10-year publication summary
|
1
|
1
|
1
|
4
|
0
|
1
|
3
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schwihag AG | 34 |
2 |
| Vossloh-Werke GmbH | 96 |
2 |
| Progress Rail Services Corp | 225 |
1 |
| Amsted Rail Company, Inc. | 432 |
1 |
| Atlantic Track & Turnout Co. | 3 |
1 |
| L. B. Foster Company | 13 |
1 |
| Pandrol Limited | 94 |
1 |
| Beijing Tieke Shougang Rail-tech. Co., Ltd | 5 |
1 |
| Destec Pty Ltd | 5 |
1 |
| Railway Engineering Research Institute, China Academy of Railway Sciences Corporation Limited | 2 |
1 |
| Voestalpine Railway Systems Nortrak LLC | 37 |
1 |
| Other owners | 0 |