F04D 17/025
Comprising axial flow and radial flow stages
Official title: {comprising axial flow and radial flow stages}
F04D17/025 (Comprising axial flow and radial flow stages) appears on 100 US grants and 118 published applications in this corpus.
Search patents in F04D- Granted patents
- 100
- Published applications
- 118
- Assignees
- 84
- Inventors
- 275
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 1 | 0 |
| 2010 | 1 | 5 |
| 2011 | 1 | 1 |
| 2012 | 3 | 4 |
| 2013 | 2 | 10 |
| 2014 | 4 | 8 |
| 2015 | 4 | 5 |
| 2016 | 3 | 7 |
| 2017 | 6 | 14 |
| 2018 | 5 | 9 |
| 2019 | 12 | 4 |
| 2020 | 5 | 8 |
| 2021 | 9 | 7 |
| 2022 | 7 | 10 |
| 2023 | 9 | 7 |
| 2024 | 8 | 4 |
| 2025 | 8 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Extraction impeller for axial compressor6 Oct 2026US 12,753,769 B2GE Vernova Infrastructure Technology LLC
- Axial-centrifugal contra-rotating light weight, compact compression system23 Jun 2026US 12,662,960 B2Indian Institute of Technology Kharagpur
- Compressor for CO2 cycle with at least two cascade compression stages for assuring supercritical conditions24 Jun 2025US 12,338,827 B2Nuovo Pignone Tecnologie Srl
- Extraction impeller for axial compressor27 May 2025US 12,313,078 B2GE Infrastructure Technology LLC
- System, apparatus, and method for providing a flow of air1 Apr 2025US 12,264,684 B2Snooz, Inc.
- Dual-profile strong-suction vortex fan blade, fan and electronic device23 Jul 2026US 2026/0210379 A1Nanchang Huaqin Electronic Technology Co., Ltd.
- Multi stage compressor23 Oct 2025US 2025/0327457 A1Garrett Transportation I Inc.
- Extraction impeller for axial compressor10 Jul 2025US 2025/0223973 A1GE Infrastructure Technology LLC
- Wearable device for delivering air12 Jun 2025US 2025/0186812 A1ResMed Pty Ltd
- Axial-centrifugal contra-rotating light weight, compact compression system8 May 2025US 2025/0146436 A1Indian Institute of Technology Kharagpur
Most cited
By later US patents
- High pressure ratio turbocharger73US 5,025,629 A1991
- Multi stage centrifugal impeller71US 4,502,837 AGeneral Electric Company · 1985
- Method of compressing a fluid flow in a multi stage centrifugal impeller47US 4,653,976 AGeneral Electric Company · 1987
- Electric blower and electric cleaner using same31US 9,131,814 B2Panasonic Intellectual Property Management Co., Ltd. · 2015
- Pump or compressor unit30US 4,830,584 A1989