- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 35/02 - Applications of measuring apparatus or devices for track-building purposes for spacingApplications of measuring apparatus or devices for track-building purposes for cross levellingApplications of measuring apparatus or devices for track-building purposes for laying-out curves
Patent holdings for IPC class E01B 35/02
Total number of patents in this class: 7
10-year publication summary
|
1
|
1
|
0
|
2
|
0
|
1
|
0
|
0
|
0
|
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
|
|---|---|---|
| B & B Metals, Inc. | 54 |
1 |
| Schwihag AG | 28 |
1 |
| West Japan Railway Company | 17 |
1 |
| Hoseung E&C Co., Ltd | 3 |
1 |
| Kaneko Corporation | 1 |
1 |
| Railtech Co., Ltd. | 1 |
1 |
| Loram Technologies, Inc. | 54 |
1 |
| Other owners | 0 |