F03B 3/123
Specially designed as adjustable blades
Official title: {specially designed as adjustable blades, e.g. for Kaplan-type turbines}
F03B3/123 (Specially designed as adjustable blades) appears on 20 US grants and 25 published applications in this corpus.
Search patents in F03B- Granted patents
- 20
- Published applications
- 25
- Assignees
- 14
- Inventors
- 33
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 5 |
| 2017 | 0 | 3 |
| 2018 | 2 | 1 |
| 2019 | 4 | 3 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 2 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotatable blade apparatus with individually adjustable blades10 Mar 2026US 12,571,370 B2Energyield LLC
- Kaplan-type turbine11 Feb 2025US 12,221,949 B2Zeco Di Zerbaro E Costa E C. S.R.L.
- Energy converting apparatus, energy converting system including same, and operating method thereof7 May 2024US 11,976,623 B2Cytroniq Co., Ltd.
- Self-regulating water turbine runner, water turbine equipped with sub-runner located upstream of the main runner and water turbine comprising the same23 Jan 2024US 11,879,423 B2Composite Hydraulic Turbine Ottawa Inc.
- Rotatable blade apparatus with individually adjustable blades27 Sep 2022US 11,454,212 B2Energyield LLC
- Hydraulic turbine1 Jan 2026US 2026/0002507 A1Natel Energy Holdings, Inc.
- Kaplan-Type Turbine8 Aug 2024US 2024/0263603 A1Zeco Di Zerbaro E Costa E C. S.R.L.
- Rotatable Blade Apparatus With Individually Adjustable Blades21 Dec 2023US 2023/0407840 A1Energyield LLC
- Self-Regulating Water Turbine Runner, Water Turbine Equipped with Sub-Runner Located Upstream of the Main Runner and Water Turbine Comprising the Same15 Dec 2022US 2022/0397088 A1Composite Hydraulic Turbine Ottawa Inc.
- Rotatable blade apparatus with individually adjustable blades19 May 2022US 2022/0154690 A1Energyield LLC
Most cited
By later US patents
- Rotatable blade apparatus with individually adjustable blades9US 8,608,441 B2Energyield LLC · 2013
- Lifting surfaces and associated method5US 10,343,763 B2Airbus Operations GmbH · 2019
- Sealing system for a hydraulic machine4US 6,042,337 AKvaerner Turbin Aktiebolag · 2000
- Rotatable blade apparatus with individually adjustable blades3US 9,297,264 B2Energyield LLC · 2016
- Hydraulic machine2US 6,139,272 AKvaerner Turbin Aktiebolag · 2000