- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 2/00 - General structure of permanent way
Patent holdings for IPC class E01B 2/00
Total number of patents in this class: 134
10-year publication summary
|
9
|
10
|
16
|
16
|
10
|
14
|
10
|
11
|
7
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BYD Company Limited | 6430 |
7 |
| Geopier Foundation Company, Inc. | 143 |
6 |
| DP World Logistics US Holdings, Inc. | 56 |
6 |
| SYSTRA | 16 |
5 |
| PPG Industries Ohio, Inc. | 3330 |
4 |
| Tensar Technologies Limited | 30 |
4 |
| China Railway Siyuan Survey and Design Group Co., Ltd. | 69 |
4 |
| Trojan IP Limited | 23 |
4 |
| Petrucco, S.A. | 6 |
3 |
| Trojan Services Limited | 6 |
3 |
| Swiss Transportation Research Institute AG | 9 |
3 |
| Solafix SA | 4 |
3 |
| Grade Separation Systems Inc. | 5 |
2 |
| Hyperloop Technologies, Inc. | 123 |
2 |
| Korea Railroad Research Institute | 185 |
2 |
| Lewis Bolt & Nut Company | 22 |
2 |
| Schwihag AG | 25 |
2 |
| Maurer Engineering GmbH | 59 |
2 |
| Hyper Poland sp. z o.o. | 8 |
2 |
| Overail S.r.l. | 6 |
2 |
| Other owners | 66 |