- All sections
- E - Fixed constructions
- E01F - Additional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like
- E01F 9/535 - Kerbs or road edgings specially adapted for alerting road users
Patent holdings for IPC class E01F 9/535
Total number of patents in this class: 6
10-year publication summary
|
2
|
0
|
3
|
3
|
3
|
0
|
1
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Traffix Devices, Inc. | 183 |
2 |
| 3m Innovative Properties Company | 17849 |
1 |
| Udesignit Oy | 1 |
1 |
| Insinööritoimisto Proinsinöörit Oy | 3 |
1 |
| Kerbed IT Ltd | 1 |
1 |
| Other owners | 0 |