F03B 3/18
Stator blades
Official title: Stator blades; Guide conduits or vanes, e.g. adjustable {(conduits in dams or the like F03B13/08; arrangement of valves F03B11/004)}
F03B3/18 (Stator blades) appears on 148 US grants and 165 published applications in this corpus.
Search patents in F03B- Granted patents
- 148
- Published applications
- 165
- Assignees
- 89
- Inventors
- 311
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 2 | 4 |
| 2006 | 1 | 1 |
| 2007 | 2 | 3 |
| 2008 | 2 | 2 |
| 2009 | 0 | 4 |
| 2010 | 4 | 7 |
| 2011 | 2 | 7 |
| 2012 | 3 | 14 |
| 2013 | 5 | 18 |
| 2014 | 8 | 14 |
| 2015 | 6 | 5 |
| 2016 | 8 | 11 |
| 2017 | 6 | 10 |
| 2018 | 3 | 19 |
| 2019 | 14 | 5 |
| 2020 | 9 | 8 |
| 2021 | 12 | 9 |
| 2022 | 7 | 4 |
| 2023 | 9 | 4 |
| 2024 | 3 | 5 |
| 2025 | 4 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fluid connection for a hydromotive machine15 Sep 2026US 12,736,025 B2
- Guide vane30 Sep 2025US 12,428,967 B2ANDRITZ HYDRO GmbH
- Fluid connection for a hydromotive machine5 Aug 2025US 12,378,938 B2
- Hydraulic machine5 Aug 2025US 12,378,939 B2Yumes Frontier Inc.
- Hydroelectric/hydrokinetic turbine and methods for making and using same15 Jul 2025US 12,359,649 B2Hydrokinetic Energy Corp
- Wind Turbine9 Apr 2026US 2026/0098515 A1Enturi Limited
- Guide vane8 Jan 2026US 2026/0009369 A1ANDRITZ HYDRO GmbH
- Fluid connection for a hydromotive machine13 Nov 2025US 2025/0347261 A1
- Guide vane8 May 2025US 2025/0146420 A1ANDRITZ HYDRO GmbH
- Water wheel, hydraulic power generation device, and hydraulic power generation system9 Jan 2025US 2025/0012247 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Fluid pump apparatus81US 6,547,530 B2Ntn Corporation · 2003
- Method for utilizing angular momentum in energy conversion devices and an apparatus therefore72US 5,167,483 A1992
- Flow enhancement for underwater turbine38US 7,874,788 B2Clean Current Limited Partnership · 2011
- System and method for extracting power from fluid using a Tesla-type bladeless turbine29US 8,801,359 B22014
- Extracting energy from flowing fluids22US 7,713,020 B22010