- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 1/00 - BallastwayOther means for supporting the sleepers or the trackDrainage of the ballastway
Patent holdings for IPC class E01B 1/00
Total number of patents in this class: 254
10-year publication summary
|
20
|
14
|
15
|
11
|
15
|
14
|
12
|
12
|
13
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bayer Intellectual Property GmbH | 2356 |
10 |
| Sonneville AG | 15 |
8 |
| PPG Industries Ohio, Inc. | 3318 |
6 |
| Zhejiang Tiantie Industry Co., Ltd. | 22 |
6 |
| China Railway Siyuan Survey and Design Group Co., Ltd. | 69 |
6 |
| Geopier Foundation Company, Inc. | 143 |
5 |
| Getzner Werkstoffe Holding GmbH | 90 |
5 |
| RAIL.ONE GmbH | 17 |
5 |
| Porr Bau GmbH | 24 |
5 |
| The Council of The City of Coventry | 14 |
5 |
| Covestro Deutschland AG | 2846 |
4 |
| edilon)(sedra B.V. | 18 |
4 |
| Korea Railroad Research Institute | 184 |
4 |
| Tensar Technologies Limited | 30 |
4 |
| PCM RAIL.ONE AG | 19 |
4 |
| RTE Technologie GmbH | 5 |
4 |
| Gmundner Fertigteile Gesellschaft m.b.H. & Co. KG. | 21 |
3 |
| Hyperion Verwaltung GmbH | 9 |
3 |
| Max Bogl Bauunternehmung GmbH & Co. KG | 19 |
3 |
| Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft m.b.H. | 437 |
3 |
| Other owners | 157 |