F03B 3/145
Mechanisms for adjusting the blades
Official title: {Mechanisms for adjusting the blades (if the regulation aspect is preponderant, see F03B15/00 and subgroups)}
F03B3/145 (Mechanisms for adjusting the blades) appears on 40 US grants and 43 published applications in this corpus.
Search patents in F03B- Granted patents
- 40
- Published applications
- 43
- Assignees
- 37
- Inventors
- 109
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 0 | 3 |
| 2016 | 1 | 5 |
| 2017 | 2 | 3 |
| 2018 | 1 | 4 |
| 2019 | 4 | 2 |
| 2020 | 2 | 2 |
| 2021 | 6 | 4 |
| 2022 | 3 | 6 |
| 2023 | 1 | 0 |
| 2024 | 5 | 4 |
| 2025 | 5 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Actuating device23 Sep 2025US 12,421,932 B1
- Reactive, reversible blade turbine for power generation and pumping water16 Sep 2025US 12,416,283 B2
- Cycloturbine modular river current energy converter and method and apparatus for deploying marine hydrokinetic turbine assembly to harvest riverine and ocean tidal current energy22 Apr 2025US 12,281,632 B2Purdue Research Foundation
- Reactive, reversible blade turbine for power generation and pumping water4 Mar 2025US 12,241,446 B2
- Kaplan-type turbine11 Feb 2025US 12,221,949 B2Zeco Di Zerbaro E Costa E C. S.R.L.
- Hydroelectric power generation device and power generation method based on axial-flow hydraulic turbine1 Oct 2026US 2026/0298190 A1Hebei Water Conservancy Engr Bureau Group Limited
- Bi-directional wave energy converter21 May 2026US 2026/0139655 A1Felicianne AS
- Turbine Assembly, System and Method13 Mar 2025US 2025/0084817 A1
- Reactive, reversible blade turbine for power generation and pumping water30 Jan 2025US 2025/0035080 A1
- Kaplan-Type Turbine8 Aug 2024US 2024/0263603 A1Zeco Di Zerbaro E Costa E C. S.R.L.
Most cited
By later US patents
- Device in fluid pressure generators20US 4,648,788 A1987
- Rotary joint10US 4,749,335 AFlygt AB · 1988
- Gravitational vortex variable water flow energy generating system including adjustable height turbine and diffuser assemblies8US 10,941,747 B12021
- Hydroelectric power generation equipment5US 5,209,632 AHitachi, Ltd. · 1993
- Variable-pitch propeller4US 4,132,503 ASchaffran Propeller Lehne & Co. · 1979