- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 5/02 - Rails
Patent holdings for IPC class E01B 5/02
Total number of patents in this class: 64
10-year publication summary
11
|
7
|
7
|
8
|
11
|
2
|
4
|
1
|
5
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nippon Steel Corporation | 5649 |
6 |
Koppers Delaware, Inc. | 71 |
5 |
ArcelorMittal | 1887 |
3 |
JFE Steel Corporation | 6067 |
3 |
Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd. | 45 |
3 |
AZGrip.com .LLC | 4 |
2 |
Hilltrac, Inc. | 9 |
2 |
Korea Railroad Research Institute | 175 |
2 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
2 |
Voestalpine Schienen GmbH | 16 |
2 |
3m Innovative Properties Company | 18406 |
1 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
Backer EHP Inc. | 24 |
1 |
BYD Company Limited | 3700 |
1 |
Corus UK Limited | 23 |
1 |
CRRC Qingdao Sifang Co., Ltd. | 354 |
1 |
DB Netz AG | 22 |
1 |
Fuji Corporation | 2924 |
1 |
Kinergypower International Corporation | 4 |
1 |
Konecranes Global Corporation | 484 |
1 |
Other owners | 24 |