- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 9/00 - Fastening rails on sleepers, or the like
Patent holdings for IPC class E01B 9/00
Total number of patents in this class: 52
10-year publication summary
|
5
|
1
|
0
|
2
|
0
|
2
|
3
|
0
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Progress Rail Services Corp | 225 |
10 |
| Vossloh-Werke GmbH | 96 |
6 |
| Schwihag AG | 34 |
4 |
| Pandrol Limited | 94 |
3 |
| Pultrusion Technique Inc. | 56 |
3 |
| Amsted Rail Company, Inc. | 432 |
2 |
| Encore Rail Systems, Inc. | 19 |
2 |
| PCM RAIL.ONE AG | 20 |
2 |
| Beijing Tieke Shougang Rail-tech. Co., Ltd | 5 |
2 |
| Railway Engineering Research Institute, China Academy of Railway Sciences Corporation Limited | 2 |
2 |
| Bank of Montreal, AS Agent | 53 |
1 |
| Cleveland Track Material, Inc. | 20 |
1 |
| Conductix-Wampfler GmbH | 88 |
1 |
| EV IP LP | 18 |
1 |
| Geotek, LLC | 9 |
1 |
| Koppers Delaware, Inc. | 71 |
1 |
| Lewis Bolt & Nut Company | 22 |
1 |
| Nordco Inc. | 104 |
1 |
| Railtech Sufetra, S.A. | 2 |
1 |
| Vinylast, Inc. | 26 |
1 |
| Other owners | 6 |