- 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: 133
10-year publication summary
|
13
|
8
|
9
|
13
|
11
|
10
|
12
|
10
|
9
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyperloop Technologies, Inc. | 181 |
8 |
| BYD Company Limited | 5023 |
7 |
| Geopier Foundation Company, Inc. | 145 |
5 |
| SYSTRA | 16 |
5 |
| Trojan IP Limited | 25 |
5 |
| PPG Industries Ohio, Inc. | 3449 |
4 |
| Tensar Technologies Limited | 32 |
4 |
| China Railway Siyuan Survey and Design Group Co., Ltd. | 69 |
4 |
| Petrucco, S.A. | 7 |
3 |
| Schwihag AG | 30 |
3 |
| Trojan Services Limited | 6 |
3 |
| Swiss Transportation Research Institute AG | 9 |
3 |
| Grade Separation Systems Inc. | 5 |
2 |
| Korea Railroad Research Institute | 177 |
2 |
| Lewis Bolt & Nut Company | 22 |
2 |
| Max Bogl Bauunternehmung GmbH & Co. KG | 23 |
2 |
| Hyper Poland sp. z o.o. | 10 |
2 |
| Overail S.r.l. | 6 |
2 |
| China Academy of Railway Sciences Corporation Limited | 27 |
2 |
| China Academy of Railway Sciences Railway Engineering Research Institute | 11 |
2 |
| Other owners | 63 |