- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 7/24 - Heating of switches
Patent holdings for IPC class E01B 7/24
Total number of patents in this class: 64
10-year publication summary
3
|
2
|
2
|
6
|
7
|
7
|
4
|
3
|
4
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Triple-S GmbH | 10 |
7 |
Backer EHP Inc. | 24 |
5 |
Ean Elektroschaltanlagen GmbH | 10 |
4 |
Norfolk Southern Corporation | 56 |
3 |
Voestalpine BWG GmbH & Co. KG | 14 |
3 |
Voestalpine VAE GmbH | 34 |
3 |
Stegia AB | 4 |
3 |
Hot Switch Heating Systems LLC | 5 |
3 |
Siemens AG | 24990 |
2 |
Balfour Beatty plc | 49 |
2 |
Railway Equipment Company, Inc. | 38 |
2 |
Vossloh Cogifer | 14 |
2 |
PINTSCH Aben Geotherm GmbH | 2 |
2 |
Swerail AB | 6 |
2 |
Goldschmidt Thermit GmbH | 4 |
1 |
Her Majesty The Queen, in Right of Canada, AS represented by The Ministe R of The National Research Council of Canada | 7 |
1 |
Kkm AB | 2 |
1 |
Korea National University of Transportation Industry-Academic Cooperation Foundation | 158 |
1 |
MAHLE International GmbH | 2670 |
1 |
M.C. Dean, Inc. | 4 |
1 |
Other owners | 15 |