F05B 2220/32
In water turbines
Official title: in water turbines
F05B2220/32 (In water turbines) appears on 155 US grants and 213 published applications in this corpus.
Search patents in F05B- Granted patents
- 155
- Published applications
- 213
- Assignees
- 99
- Inventors
- 323
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 4 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 4 | 13 |
| 2017 | 7 | 39 |
| 2018 | 14 | 27 |
| 2019 | 21 | 21 |
| 2020 | 22 | 16 |
| 2021 | 18 | 20 |
| 2022 | 8 | 13 |
| 2023 | 19 | 13 |
| 2024 | 9 | 14 |
| 2025 | 18 | 17 |
| 2026 | 10 | 6 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Hydraulic turbine29 Sep 2026US 12,747,716 B2Natel Energy Holdings, Inc.
- Horizontally-oriented conical-helical hydrokinetic turbine11 Aug 2026US 12,704,105 B2
- Recirculating hydro-pneumatic impulse turbine21 Jul 2026US 12,687,145 B2Gravity Energy Pty Ltd
- Systems and methods for power distribution and harnessing of marine hydrokinetic energy14 Jul 2026US 12,680,528 B2Riahmedia Inc.
- Hydrokinetic turbine and array performance optimization by dynamic tuning2 Jun 2026US 12,644,430 B2Emrgy Inc.
- Hydrokinetic turbine and array performance optimization by dynamic tuning24 Sep 2026US 2026/0286927 A1Emrgy Inc.
- Hydrokinetic turbine system27 Aug 2026US 2026/0251114 A1Emrgy Inc.
- Flow Reversing Pump Apparatus23 Jul 2026US 2026/0210323 A1
- Ffwn clean energy power plant9 Jul 2026US 2026/0194035 A1
- Pressure-regulating hydrodynamic pump and wave engine4 Jun 2026US 2026/0153072 A1Lone Gull Holdings, Ltd.
Most cited
By later US patents
- Self-positioning robotic subsea power generation system13US 9,745,951 B12017
- Platform for generating electricity from flowing fluid using generally prolate turbine10US 8,344,535 B2Natural Power Concepts, Inc. · 2013
- Hydroelectricity and compressed-air power converter system8US 10,205,323 B22019
- Hybrid compressed air/water energy storage system and method7US 10,415,469 B2Savannah River Nuclear Solutions, LLC · 2019
- Hydropower system7US 10,774,806 B12020