- All sections
- E - Fixed constructions
- E02B - Hydraulic engineering
- E02B 7/28 - Vertical-lift gates with sliding gates
Patent holdings for IPC class E02B 7/28
Total number of patents in this class: 25
10-year publication summary
|
6
|
5
|
1
|
2
|
1
|
3
|
0
|
3
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rubicon Research Pty Ltd. | 70 |
4 |
| Custom Water Management Solutions, LLC | 2 |
2 |
| Changjiang River Scientific Research Institute, Changjiang Water Resources Commission | 5 |
1 |
| CJC Holdings LLC | 7 |
1 |
| Mueller International, LLC | 718 |
1 |
| Nan Dao Engineering Corp. | 1 |
1 |
| RSA Protective Technologies, LLC | 21 |
1 |
| The Texas a & M University System | 1695 |
1 |
| Yorkshire Water Services Limited | 2 |
1 |
| Eickholt Beheer B.V. | 3 |
1 |
| Oldcastle Infrastructure, Inc. | 107 |
1 |
| Terata, Hiroko | 1 |
1 |
| Terata, Hiroshi | 1 |
1 |
| Ham Baker Flow Control Ltd | 1 |
1 |
| Heureka Ambiente S.r.l. | 2 |
1 |
| Iv-consult B.V. | 5 |
1 |
| Iv-infra B.V. | 1 |
1 |
| Makeand Coporation Limited | 2 |
1 |
| Woojin Industries Co., Ltd. | 2 |
1 |
| Myeong Ho Lee | 1 |
1 |
| Other owners | 1 |