- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 9/06 - Railways spikes
Patent holdings for IPC class E01B 9/06
Total number of patents in this class: 15
10-year publication summary
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0
|
0
|
1
|
2
|
7
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3
|
3
|
3
|
1
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lewis Bolt & Nut Company | 22 |
6 |
| University of South Carolina | 849 |
2 |
| S.W.N.G. Inc., d/b/a Swingmaster | 16 |
2 |
| Railroad Solutions, Inc. | 2 |
2 |
| Geotek, LLC | 13 |
1 |
| Yangtze Railroad Materials | 9 |
1 |
| China Railway No.5 Engineering Group No.6 Engineering Co., Ltd. | 2 |
1 |
| Other owners | 0 |