- All sections
- E - Fixed constructions
- E02B - Hydraulic engineering
- E02B 9/02 - Water-ways
Patent holdings for IPC class E02B 9/02
Total number of patents in this class: 68
10-year publication summary
|
7
|
6
|
9
|
10
|
10
|
2
|
10
|
3
|
9
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| W.L. French Hydropower Holdings LLC | 28 |
11 |
| Voith Patent GmbH | 2749 |
5 |
| Andritz Hydro GmbH | 69 |
2 |
| Electricite de France | 754 |
2 |
| Littoral Power Systems Inc. | 19 |
2 |
| BVH, Inc. | 2 |
2 |
| Canadian Powerplus Corporation | 2 |
2 |
| Charybdis, LLC | 3 |
2 |
| Amjet Turbine Systems, LLC | 3 |
1 |
| Bombora Wave Power Pty Ltd | 4 |
1 |
| China Institute of Water Resources and Hydropower Research | 103 |
1 |
| China University of Mining & Technology (Beijing) | 44 |
1 |
| Dalian University of Technology | 1594 |
1 |
| Emrgy, Inc. | 15 |
1 |
| French Development Enterprises, LLC | 1 |
1 |
| G & G Co., Ltd | 2 |
1 |
| Hydro Green Energy, LLC | 3 |
1 |
| KSB Aktiengesellschaft | 154 |
1 |
| Natural Energy Resources Company | 1 |
1 |
| Sigelock Systems, L.L.C. | 15 |
1 |
| Other owners | 28 |