F03B 3/126
Rotors for essentially axial flow
Official title: {Rotors for essentially axial flow, e.g. for propeller turbines (with adjustable blades F03B3/14)}
F03B3/126 (Rotors for essentially axial flow) appears on 81 US grants and 98 published applications in this corpus.
Search patents in F03B- Granted patents
- 81
- Published applications
- 98
- Assignees
- 51
- Inventors
- 176
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 5 |
| 2010 | 0 | 3 |
| 2011 | 2 | 4 |
| 2012 | 4 | 8 |
| 2013 | 5 | 7 |
| 2014 | 3 | 9 |
| 2015 | 0 | 3 |
| 2016 | 2 | 8 |
| 2017 | 6 | 3 |
| 2018 | 2 | 4 |
| 2019 | 6 | 2 |
| 2020 | 6 | 8 |
| 2021 | 7 | 7 |
| 2022 | 4 | 5 |
| 2023 | 8 | 5 |
| 2024 | 5 | 3 |
| 2025 | 6 | 6 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic turbine29 Sep 2026US 12,747,716 B2Natel Energy Holdings, Inc.
- Method of refurbishing an energy conversion facility and refurbished energy conversion facility16 Dec 2025US 12,497,940 B2Voith Patent GmbH
- Vertical intermingling of deep water28 Oct 2025US 12,454,931 B2
- Secondary flow guide vane of a turbomachine and turbomachine provided therewith29 Jul 2025US 12,372,001 B2Safran Aircraft Engines
- Hydroelectric/hydrokinetic turbine and methods for making and using same15 Jul 2025US 12,359,649 B2Hydrokinetic Energy Corp
- 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
- Underwater wing-kite system for energy generation and water circulation26 Feb 2026US 2026/0055753 A1
- Hydraulic turbine1 Jan 2026US 2026/0002507 A1Natel Energy Holdings, Inc.
- Hydraulic turbine30 Oct 2025US 2025/0334094 A1Natel Energy Holdings, Inc.
- Vertical intermingling of deep water17 Jul 2025US 2025/0230789 A1
Most cited
By later US patents
- Kinetic hydro energy conversion system62US 4,613,279 ARiverside Energy Technology, Inc. · 1986
- Turbine and like rotary machines48US 4,313,711 AThe English Electric Company Limited · 1982
- Ribbon drive power generation apparatus and method25US 6,357,997 B12002
- Ribbon drive power generation for variable flow conditions24US 6,626,638 B22003
- Ocean current power generator24US 7,279,803 B12007