- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 7/20 - Safety means for switches, e.g. switch point protectors, auxiliary or guiding rail members
Patent holdings for IPC class E01B 7/20
Total number of patents in this class: 24
10-year publication summary
|
2
|
5
|
1
|
3
|
1
|
7
|
0
|
2
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BYD Company Limited | 3700 |
3 |
| Railway Equipment Company, Inc. | 38 |
2 |
| The Boeing Company | 19843 |
1 |
| Alstom Ferroviaria S.p.A. | 15 |
1 |
| Daifuku Co., Ltd. | 860 |
1 |
| East Japan Railway Company | 60 |
1 |
| Harsco Technologies LLC | 162 |
1 |
| Kyosan Electric Mfg. Co., Ltd. | 167 |
1 |
| Loughborough University | 86 |
1 |
| Nabtesco Corporation | 871 |
1 |
| Vossloh Cogifer | 14 |
1 |
| Vossloh Signaling USA, Inc. | 14 |
1 |
| Porr Bau GmbH | 24 |
1 |
| Infranord AB | 4 |
1 |
| Osborn LLC | 19 |
1 |
| Pálya-szintvonal Tervezö és Szolgáltató Ktf. | 1 |
1 |
| Crsc (Xi'an) Rail Transit Industry Group Co., Ltd. | 25 |
1 |
| Xi'an Railway Signal Co., Ltd. | 12 |
1 |
| Connectrail Tecnologia e Serviços Ferroviários Ltda | 1 |
1 |
| Rumo Malha Sul S.A. | 1 |
1 |
| Other owners | 1 |