F03B 3/183
Adjustable vanes
Official title: {Adjustable vanes, e.g. wicket gates}
F03B3/183 (Adjustable vanes) appears on 70 US grants and 58 published applications in this corpus.
Search patents in F03B- Granted patents
- 70
- Published applications
- 58
- Assignees
- 40
- Inventors
- 156
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 1 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 5 |
| 2013 | 2 | 5 |
| 2014 | 3 | 7 |
| 2015 | 0 | 2 |
| 2016 | 3 | 3 |
| 2017 | 2 | 5 |
| 2018 | 2 | 7 |
| 2019 | 3 | 4 |
| 2020 | 5 | 2 |
| 2021 | 3 | 6 |
| 2022 | 5 | 1 |
| 2023 | 5 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Guide vane30 Sep 2025US 12,428,967 B2ANDRITZ HYDRO GmbH
- Method for starting a turbine in a pump mode31 Dec 2024US 12,180,923 B2GE Renewable Technologies
- Method for starting a turbine in a pump mode16 Jan 2024US 11,873,789 B2GE Renewable Technologies
- Reversible pump turbine and guide vane for the reversible pump turbine16 May 2023US 11,649,798 B2Andritz Inc.
- Startup method of Francis turbine and Francis turbine21 Mar 2023US 11,608,809 B2Kabushiki Kaisha Toshiba
- Guide vane8 Jan 2026US 2026/0009369 A1ANDRITZ HYDRO GmbH
- Guide vane8 May 2025US 2025/0146420 A1ANDRITZ HYDRO GmbH
- Method for starting a turbine in a pump mode12 Sep 2024US 2024/0301852 A1GE Renewable Technologies
- In place machining of collector ring19 Jan 2023US 2023/0020562 A1ANDRITZ HYDRO GmbH
- Method for starting a turbine in a pump mode8 Dec 2022US 2022/0389897 A1GE Renewable Technologies
Most cited
By later US patents
- Extracting energy from flowing fluids22US 7,713,020 B22010
- Flow-adjusted hydraulic rotary machine21US 4,355,953 AGuy F. Atkinson Company · 1982
- Hydraulic turbine and guide gate apparatus and runner apparatus therefor16US 5,441,384 AHydro West Group, Inc. · 1995
- Hydraulic power generating apparatus15US 8,616,830 B22013
- Method and apparatus for controlling a water turbine13US 4,120,602 ACompagnie Nationale du Rhone · 1978