- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines 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 corrosion; Means to reduce development of noise
Patent holdings for IPC class E01B 19/00
Total number of patents in this class: 211
10-year publication summary
|
22
|
13
|
16
|
13
|
10
|
15
|
8
|
11
|
15
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zhejiang Tiantie Industry Co., Ltd. | 26 |
11 |
| edilon)(sedra B.V. | 16 |
6 |
| Polycorp Ltd. | 66 |
5 |
| Vossloh-Werke GmbH | 96 |
5 |
| Feronia S.A. | 4 |
4 |
| Osborn International AB | 8 |
4 |
| Plastiform's | 8 |
4 |
| edilon sedra GmbH | 8 |
4 |
| Gerb (Qingdao) Vibration Control Co., Ltd. | 5 |
4 |
| 4Silence B.V. | 9 |
3 |
| Datwyler Sealing Technologies Deutschland GmbH | 15 |
3 |
| HF Holding SA | 28 |
3 |
| Nabtesco Corporation | 871 |
3 |
| Qingdao Create Environment Control Technology Co., Ltd. | 14 |
3 |
| Stegia AB | 4 |
3 |
| Trelleborg Retford Limited | 15 |
3 |
| Ean Elektroschaltanlagen GmbH | 10 |
2 |
| East Japan Railway Company | 60 |
2 |
| Encore Rail Systems, Inc. | 19 |
2 |
| Getzner Werkstoffe Holding GmbH | 83 |
2 |
| Other owners | 135 |