F03B 3/08
Machines or engines of reaction type: with pressure-velocity transformation exclusively in rotors
Official title: with pressure-velocity transformation exclusively in rotors
F03B3/08 (Machines or engines of reaction type: with pressure-velocity transformation exclusively in rotors) appears on 23 US grants and 28 published applications in this corpus.
Search patents in F03B- Granted patents
- 23
- Published applications
- 28
- Assignees
- 9
- Inventors
- 40
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 2 |
| 2018 | 0 | 4 |
| 2019 | 2 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 5 |
| 2023 | 3 | 0 |
| 2024 | 2 | 3 |
| 2025 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Energy generating device21 Oct 2025US 12,448,944 B2
- Fluid turbine assembly and method of actuation of a fluid turbine12 Aug 2025US 12,385,398 B2
- Fluid turbine assembly and method of actuation of a fluid turbine12 Aug 2025US 12,385,459 B2
- Rotor having a plurality of spiral pathways to pass liquid or gas therethrough to increase power thereof29 Oct 2024US 12,129,856 B2
- High efficiency turbine impeller13 Feb 2024US 11,898,543 B2Officine Meccaniche Zema
- Fluid turbine assembly and method of actuation of a fluid turbine1 Aug 2024US 2024/0254956 A1Gaia Turbine SA
- Fluid turbine assembly and method of actuation of a fluid turbine11 Jul 2024US 2024/0229756 A1Gaia Turbine SA
- Energy generating device13 Jun 2024US 2024/0191683 A1
- High efficiency turbine impeller29 Dec 2022US 2022/0412314 A1Officine Meccaniche Zema
- Rotor having a plurality of spiral pathways to pass liquid or gas therethrough to increase power thereof13 Oct 2022US 2022/0325627 A1
Most cited
By later US patents
- Fluid-driven rotary engine15US 4,260,902 A1981
- Method for cleaning a surface by using rotating high pressure fluid streams14US 5,725,680 A1998
- Rotating nozzle5US 5,570,712 A1996
- Device for converting kinetic energy contained in a fluid, into mechanical energy5US 7,722,313 B12010
- Method of integrated flow control for the sprinkler activated generator4US 10,576,481 B2Jain Irrigation Systems Limited · 2020