F04D 23/005
Of axial-flow type
Official title: {of axial-flow type}
F04D23/005 (Of axial-flow type) appears on 11 US grants and 8 published applications in this corpus.
Search patents in F04D- Granted patents
- 11
- Published applications
- 8
- Assignees
- 6
- Inventors
- 23
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Flow control device for axial flow turbomachines in series23 Sep 2025US 12,421,858 B1The United States of America as represented by the Secretary of the Navy
- Flow control device for axial flow turbomachines in series2 Apr 2024US 11,946,392 B1The United States of America as represented by the Secretary of the Navy
- Flow control device for axial flow turbomachines in series21 Feb 2023US 11,585,227 B1The United States of America as represented by the Secretary of the Navy
- Cleaning turbine23 Aug 2022US 11,420,302 B2Metal World S.p.A.
- Gas turbine engines and compression systems therefor24 Mar 2020US 10,598,181 B2
- Ultra-efficient bladeless turbomachinery5 Jun 2025US 2025/0179919 A1
- Jet pump system and method with improved efficency1 Apr 2021US 2021/0095697 A1
- Cleaning Turbine26 Sep 2019US 2019/0291227 A1Metal World S.p.A.
- Gas turbine engines and compression systems therefor30 May 2019US 2019/0162188 A1
- Motor and a handheld product having a motor21 Jun 2018US 2018/0172013 A1Dyson Technology Limited
Most cited
By later US patents
- Air pump for use in dusty environment13US 3,977,811 AAvco Corporation · 1976
- Air pump with primary and secondary inlet flow channels6US 4,212,595 AAvco Corporation · 1980
- Method for controlling the speed of cryogenic compressors arranged in series for cooling cryogenic helium2US 10,047,759 B2Linde Aktiengesellschaft · 2018
- Fan assembly and fan wheel assemblies2US 10,125,783 B2Greenheck Fan Corporation · 2018
- Gas turbine engines and compression systems therefor2US 10,598,181 B22020