- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 9/14 - Plugs, sleeves, thread linings, or other inserts for holes in sleepers
Patent holdings for IPC class E01B 9/14
Total number of patents in this class: 11
10-year publication summary
|
2
|
1
|
1
|
1
|
1
|
0
|
2
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bank of Montreal, AS Agent | 53 |
1 |
| edilon)(sedra B.V. | 16 |
1 |
| Geotek, LLC | 9 |
1 |
| Gualco, Mario | 1 |
1 |
| Pandrol Limited | 94 |
1 |
| Qingdao Nianxin Environment Tech Co., Ltd. | 1 |
1 |
| RAIL.ONE GmbH | 25 |
1 |
| Sekisui Chemical Co., Ltd. | 3159 |
1 |
| Mario Gualco | 1 |
1 |
| Sileto Pesquisa e Desenvolvimento Ltda | 1 |
1 |
| Sileto Pesquisa e Desenvolvimento S.A. | 4 |
1 |
| Other owners | 0 |