- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 27/02 - Placing the ballast; Making the ballastway; Redistributing ballasting material; Machines or devices therefor; Levelling means
Patent holdings for IPC class E01B 27/02
Total number of patents in this class: 98
10-year publication summary
|
8
|
10
|
13
|
12
|
4
|
10
|
6
|
4
|
6
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 385 |
19 |
| Nordco Inc. | 104 |
9 |
| Loram Technologies, Inc. | 60 |
8 |
| Franz Plasser Bahnbaumaschinen-industriegesellschaft m.b.H. | 87 |
7 |
| Herzog Railroad Services, Inc. | 48 |
7 |
| Harsco Technologies LLC | 162 |
5 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 341 |
4 |
| Sany Heavy Industry Co., Ltd. | 243 |
4 |
| Zürcher Holding GmbH | 4 |
4 |
| Progress Rail Services Corp | 225 |
3 |
| PPG Industries Ohio, Inc. | 3430 |
3 |
| Matisa Materiel Industriel SA | 66 |
3 |
| TBT Engineering Limited | 5 |
2 |
| Stmg-gmbh | 2 |
2 |
| System 7 Ballast Regulator GmbH | 2 |
2 |
| Bayer MaterialScience AG | 874 |
1 |
| BNSF Railway Company | 328 |
1 |
| Brandt Road Rail Corporation | 13 |
1 |
| Caterpillar Paving Products Inc. | 628 |
1 |
| Covestro Deutschland AG | 2429 |
1 |
| Other owners | 11 |