- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 9/68 - Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
Patent holdings for IPC class E01B 9/68
Total number of patents in this class: 142
10-year publication summary
|
12
|
7
|
7
|
8
|
7
|
10
|
7
|
9
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pandrol Limited | 89 |
18 |
| Vossloh-Werke GmbH | 87 |
14 |
| Progress Rail Services Corp | 222 |
8 |
| Schwihag AG | 30 |
6 |
| Zhejiang Tiantie Industry Co., Ltd. | 22 |
6 |
| Semperit AG Holding | 35 |
4 |
| Mitsui Chemicals, Inc. | 3228 |
3 |
| HF Holding SA | 28 |
3 |
| L.B. Foster Company | 53 |
3 |
| Sika Technology AG | 2931 |
3 |
| Specter Innovations Group Pty Ltd | 3 |
3 |
| Voestalpine Railway Systems Nortrak LLC | 49 |
3 |
| DT - Vyhybkárna a strojírna, a.s. | 12 |
2 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1578 |
2 |
| Gantry Railing Limited | 14 |
2 |
| Getzner Werkstoffe Holding GmbH | 91 |
2 |
| Intercast & Forge Pty Limited | 3 |
2 |
| Nisshinbo Chemical Inc. | 142 |
2 |
| Plastex SA | 35 |
2 |
| Politechnika Krakowska Im. Tadeusza Kosciuszki | 17 |
2 |
| Other owners | 52 |