- All sections
- E - Fixed constructions
- E01C - Construction of, or surfaces for, roads, sports grounds, or the likemachines or auxiliary tools for construction or repair
- E01C 3/02 - Concrete base for bituminous paving
Patent holdings for IPC class E01C 3/02
Total number of patents in this class: 4
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bridgestone Corporation | 7204 |
1 |
| Innophos, Inc. | 144 |
1 |
| Sika Technology AG | 2837 |
1 |
| Unijes Group Co., Ltd. | 2 |
1 |
| Other owners | 0 |