- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 27/02 - Placing the ballastMaking the ballastwayRedistributing ballasting materialMachines or devices thereforLevelling means
Patent holdings for IPC class E01B 27/02
Total number of patents in this class: 108
10-year publication summary
|
10
|
13
|
12
|
4
|
10
|
8
|
5
|
7
|
0
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 418 |
21 |
| Nordco Inc. | 98 |
8 |
| Loram Technologies, Inc. | 56 |
8 |
| Herzog Railroad Services, Inc. | 61 |
7 |
| Franz Plasser Bahnbaumaschinen-industriegesellschaft m.b.H. | 70 |
6 |
| Harsco Technologies LLC | 147 |
5 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 345 |
4 |
| Matisa Materiel Industriel SA | 75 |
4 |
| Sany Heavy Industry Co., Ltd. | 240 |
4 |
| Zürcher Holding GmbH | 4 |
4 |
| Progress Rail Services Corp | 234 |
3 |
| PPG Industries Ohio, Inc. | 3455 |
3 |
| Tensar Technologies Limited | 32 |
2 |
| TBT Engineering Limited | 5 |
2 |
| Enerpac Tool Group Corp. | 120 |
2 |
| Stmg-gmbh | 2 |
2 |
| System 7 Ballast Regulator GmbH | 2 |
2 |
| Bayer MaterialScience AG | 801 |
1 |
| BNSF Railway Company | 421 |
1 |
| Brandt Road Rail Corporation | 11 |
1 |
| Other owners | 18 |