- All sections
- E - Fixed constructions
- E02B - Hydraulic engineering
- E02B 3/02 - Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
Patent holdings for IPC class E02B 3/02
Total number of patents in this class: 116
10-year publication summary
|
15
|
14
|
12
|
10
|
15
|
9
|
16
|
12
|
11
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zhejiang University | 3358 |
5 |
| Voith Patent GmbH | 2773 |
4 |
| Coastal Protection Holdings Corporation | 6 |
4 |
| Huesker Inc. | 14 |
3 |
| Institute of Mountain Hazards and Environment Chinese Academy of Sciences | 33 |
3 |
| Officine Maccaferri S.p.A. | 111 |
3 |
| Verderg Ltd | 30 |
3 |
| Riverrestoration.org, LLC | 4 |
3 |
| China Three Gorges Corporation | 212 |
3 |
| Tsinghua University | 6101 |
2 |
| Hohai University | 218 |
2 |
| Hydroplus | 16 |
2 |
| Jarala AS | 11 |
2 |
| Koninklijke BAM Groep N.V. | 33 |
2 |
| Mkb Company | 5 |
2 |
| O'Brien Engineering, Inc. | 3 |
2 |
| RSA Protective Technologies, LLC | 19 |
2 |
| Nanjing University Ecological Research Institute of Changshu | 4 |
2 |
| J&m Investment, LLC | 3 |
2 |
| Bureau of Hydrology, Changjiang Water Resources Commission | 7 |
2 |
| Other owners | 63 |