E02B 9/022
Closures
Official title: {Closures}
E02B9/022 (Closures) appears on 19 US grants and 16 published applications in this corpus.
Search patents in E02B- Granted patents
- 19
- Published applications
- 16
- Assignees
- 12
- Inventors
- 44
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 4 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 3 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 1 |
| 2020 | 3 | 1 |
| 2021 | 4 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sluice gate for a hydropower station26 May 2026US 12,637,822 B2ANDRITZ HYDRO GmbH
- Flood protection system26 Aug 2025US 12,398,523 B2
- Energy generating system and a method for generating energy from a sea tide5 Jul 2022US 11,378,056 B2
- Hydroelectric power generation system using channel for water supply16 Nov 2021US 11,174,610 B1
- Penstock internal maintenance system and process of assembling, anchor unit31 Aug 2021US 11,105,312 B1Tractel S.A.
- Flood protection system3 Jul 2025US 2025/0215653 A1
- Sluice gate for a hydropower station30 Nov 2023US 2023/0383490 A1ANDRITZ HYDRO GmbH
- An energy generating system and a method for generating energy from a sea tide9 Sep 2021US 2021/0277864 A1
- Hydrodynamic installation having an electric drive for actuating a water protection16 Jul 2020US 2020/0224381 A1Voith Patent GmbH
- Modular hydropower unit17 Oct 2019US 2019/0316310 A1Bvh, Inc.
Most cited
By later US patents
- Run-of river power plant8US 8,845,231 B2Voith Patent GmbH · 2014
- Yard hydrant with improved valve6US 8,408,238 B12013
- Shaft power plant5US 8,648,487 B2Technische Universität München · 2014
- Shaft power plant4US 9,109,571 B2Technische Universität München · 2015
- Combined turbine/generator installation on a dam4US 9,234,325 B1Amjet Turbine Systems, LLC · 2016