- All sections
- E - Fixed constructions
- E01B - Permanent way; permanent-way tools; machines for making railways of all kinds
- E01B 3/18 - Composite sleepers
Patent holdings for IPC class E01B 3/18
Total number of patents in this class: 4
10-year publication summary
|
0
|
0
|
1
|
0
|
0
|
1
|
0
|
0
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rutgers, The State University of New Jersey | 1776 |
2 |
| Geotek, LLC | 9 |
1 |
| Greenrail Group S.r.l. | 2 |
1 |
| Other owners | 0 |