- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines 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: 127
10-year publication summary
9
|
16
|
9
|
10
|
16
|
16
|
8
|
13
|
10
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hyperloop Technologies, Inc. | 207 |
9 |
BYD Company Limited | 3700 |
7 |
SYSTRA | 18 |
5 |
Trojan IP Limited | 31 |
5 |
PPG Industries Ohio, Inc. | 3430 |
4 |
Geopier Foundation Company, Inc. | 149 |
4 |
Max Bogl Bauunternehmung GmbH & Co. KG | 30 |
4 |
China Railway Siyuan Survey and Design Group Co., Ltd. | 66 |
4 |
Petrucco, S.A. | 7 |
3 |
Schwihag AG | 34 |
3 |
Tensar Technologies Limited | 27 |
3 |
Trojan Services Limited | 7 |
3 |
Swiss Transportation Research Institute AG | 9 |
3 |
Grade Separation Systems Inc. | 5 |
2 |
Korea Railroad Research Institute | 175 |
2 |
Lewis Bolt & Nut Company | 22 |
2 |
RAIL.ONE GmbH | 25 |
2 |
Hyper Poland sp. z o.o. | 11 |
2 |
Overail S.r.l. | 5 |
2 |
China Academy of Railway Sciences Railway Engineering Research Institute | 11 |
2 |
Other owners | 56 |