- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 3/039 - Slope rollers
Patent holdings for IPC class E02D 3/039
Total number of patents in this class: 10
10-year publication summary
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0
|
0
|
0
|
1
|
1
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0
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1
|
0
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamm AG | 165 |
3 |
| Ligchine International Corporation | 50 |
3 |
| Caterpillar Inc. | 9417 |
2 |
| BOMAG GmbH | 400 |
1 |
| H. Lotterman Beheer B.V. | 3 |
1 |
| Other owners | 0 |