- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 19/00 - Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosionMeans to reduce development of noise
Patent holdings for IPC class E01B 19/00
Total number of patents in this class: 220
10-year publication summary
|
16
|
13
|
10
|
15
|
8
|
12
|
15
|
17
|
9
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zhejiang Tiantie Industry Co., Ltd. | 22 |
13 |
| edilon)(sedra B.V. | 18 |
9 |
| Polycorp Ltd. | 66 |
5 |
| Vossloh-Werke GmbH | 85 |
4 |
| Plastiform's | 8 |
4 |
| Gerb (Qingdao) Vibration Control Co., Ltd. | 4 |
4 |
| HF Holding SA | 28 |
3 |
| Nabtesco Corporation | 858 |
3 |
| Osborn International AB | 7 |
3 |
| Qingdao Create Environment Control Technology Co., Ltd. | 13 |
3 |
| Stegia AB | 4 |
3 |
| edilon sedra GmbH | 5 |
3 |
| Trelleborg Retford Limited | 17 |
3 |
| Freedom Chemical Corporation | 3 |
3 |
| 4Silence B.V. | 2 |
2 |
| Daetwyler Sealing Technologies Deutschland GmbH | 6 |
2 |
| Datwyler Sealing Technologies Deutschland GmbH | 14 |
2 |
| Ean Elektroschaltanlagen GmbH | 9 |
2 |
| East Japan Railway Company | 63 |
2 |
| Encore Rail Systems, Inc. | 19 |
2 |
| Other owners | 145 |