- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 31/17 - Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
Patent holdings for IPC class E01B 31/17
Total number of patents in this class: 83
10-year publication summary
|
5
|
2
|
6
|
8
|
3
|
11
|
9
|
8
|
8
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robel Bahnbaumaschinen GmbH | 114 |
13 |
| Bombardier Transportation GmbH | 682 |
6 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 385 |
6 |
| Loram Maintenance of Way, Inc. | 62 |
5 |
| Wuhan University | 320 |
5 |
| China Railway Siyuan Survey and Design Group Co., Ltd. | 66 |
5 |
| Shenyang All –powerfu L Science and Technology Stock Co., Ltd | 10 |
5 |
| Stanley Black & Decker, Inc. | 587 |
3 |
| Harsco Technologies LLC | 162 |
3 |
| Schweerbau International GmbH & Co. KG | 13 |
3 |
| Goldschmidt Thermit GmbH | 4 |
2 |
| Harsco Corporation | 56 |
2 |
| Linsinger Maschinenbau Gesellschaft m.b.H. | 21 |
2 |
| Fama S.r.l. | 5 |
2 |
| CRRC Beijing Erqi Locomotive Co., Ltd. | 6 |
2 |
| Mate GmbH | 17 |
2 |
| Loram Technologies, Inc. | 60 |
2 |
| The Boeing Company | 19843 |
1 |
| Korea Railroad Research Institute | 175 |
1 |
| Societe des Anciens Etablissements L. Geismar | 8 |
1 |
| Other owners | 12 |