- All sections
- E - Fixed constructions
- E02B - Hydraulic engineering
- E02B 8/02 - Sediment base gatesSand sluicesStructures for arresting waterborne material
Patent holdings for IPC class E02B 8/02
Total number of patents in this class: 102
10-year publication summary
|
6
|
12
|
10
|
9
|
7
|
7
|
9
|
6
|
6
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huber SE | 99 |
5 |
| Kansei Company | 6 |
3 |
| Nippon Koei Co., Ltd. | 17 |
3 |
| Officine Maccaferri S.p.A. | 102 |
3 |
| Tokyo Metropolitan Sewerage Service Corporation | 19 |
3 |
| Parkson Corporation | 122 |
3 |
| Sea to Sky Energy Solutions Corp. | 7 |
3 |
| W.L. French Hydropower Holdings LLC | 13 |
3 |
| Evoqua Water Technologies LLC | 916 |
2 |
| FSM Frankenberger GmbH & Co. KG | 4 |
2 |
| Hydro Component Systems, LLC | 8 |
2 |
| Jarala AS | 11 |
2 |
| Laitram, L.L.C. | 842 |
2 |
| MJ2 Technologies | 2 |
2 |
| Silt-Saver, Inc. | 20 |
2 |
| Sulzer Management AG | 660 |
2 |
| Zhejiang University | 3133 |
2 |
| Quest Integrity Group LLC | 17 |
2 |
| Fella Maschinenbau GmbH | 5 |
2 |
| Anglian Water Services Limited | 6 |
1 |
| Other owners | 53 |