- All sections
- E - Fixed constructions
- E01C - Construction of, or surfaces for, roads, sports grounds, or the like; machines or auxiliary tools for construction or repair
- E01C 19/25 - Rollers therefor; Such rollers usable also for compacting soil propelled by animals or vehicles
Patent holdings for IPC class E01C 19/25
Total number of patents in this class: 9
10-year publication summary
|
3
|
1
|
1
|
1
|
4
|
0
|
2
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamm AG | 164 |
3 |
| Ligchine International Corporation | 49 |
3 |
| Carlson Paving Products, Inc. | 9 |
1 |
| Caterpillar Paving Products Inc. | 651 |
1 |
| Fermi Research Alliance, LLC | 15 |
1 |
| Other owners | 0 |