F04D 27/0238
Details or means for fluid reinjection
Official title: {Details or means for fluid reinjection}
F04D27/0238 (Details or means for fluid reinjection) appears on 120 US grants and 131 published applications in this corpus.
Search patents in F04D- Granted patents
- 120
- Published applications
- 131
- Assignees
- 79
- Inventors
- 283
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 5 |
| 2007 | 1 | 0 |
| 2008 | 1 | 6 |
| 2009 | 0 | 9 |
| 2010 | 4 | 2 |
| 2011 | 3 | 8 |
| 2012 | 11 | 3 |
| 2013 | 4 | 10 |
| 2014 | 4 | 10 |
| 2015 | 10 | 5 |
| 2016 | 5 | 7 |
| 2017 | 4 | 6 |
| 2018 | 4 | 6 |
| 2019 | 12 | 8 |
| 2020 | 3 | 6 |
| 2021 | 8 | 4 |
| 2022 | 9 | 8 |
| 2023 | 8 | 9 |
| 2024 | 5 | 9 |
| 2025 | 6 | 2 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Turbine overspeed protection8 Jul 2025US 12,352,178 B2ROLLS-ROYCE plc
- Devices and methods for guiding bleed air in a turbofan engine8 Jul 2025US 12,352,215 B2Pratt & Whitney Canada Corp.
- Aircraft propulsion system with multi-direction bleed valve6 May 2025US 12,292,006 B2Rtx Corporation
- Refrigerant compressor with impeller having slotted shroud15 Apr 2025US 12,276,286 B2Danfoss A/S
- Stabilizer of a compressor18 Feb 2025US 12,228,143 B2Accelleron Switzerland Ltd.
- Centrifugal compressor and turbocharger13 Aug 2026US 2026/0235140 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Ported shroud centrifugal compressor6 Aug 2026US 2026/0226917 A1Ohio State Innovation Foundation
- Devices and methods for guiding bleed air in a turbofan engine26 Mar 2026US 2026/0085640 A1Pratt & Whitney Canada Corp.
- Dynamic compressor system and methods of operation12 Mar 2026US 2026/0071630 A1Aerospace Carbon Solutions LLC
- Compressor housing, radial compressor with a compressor housing of this type, radial compressor arrangement, exhaust gas turbocharger and internal combustion engine12 Jun 2025US 2025/0188944 A1Rolls-Royce Solutions GmbH
Most cited
By later US patents
- Flow control method and means51US 5,340,271 AROLLS-ROYCE plc · 1994
- Devices and methods of operation thereof for providing stable flow for centrifugal compressors50US 7,326,027 B1The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 2008
- Gas turbine engine providing simulated boundary layer thickness increase33US 7,870,721 B2United Technologies Corporation · 2011
- Turbomachine with means for the creation of a peripheral jet on the stator30US 7,967,556 B2Rolls-Royce Deutschland Ltd & Co KG · 2011
- Flow control arrangement29US 7,811,049 B2ROLLS-ROYCE plc · 2010