F04D 23/003
Of radial-flow type
Official title: {of radial-flow type}
F04D23/003 (Of radial-flow type) appears on 54 US grants and 36 published applications in this corpus.
Search patents in F04D- Granted patents
- 54
- Published applications
- 36
- Assignees
- 40
- Inventors
- 101
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 2 | 1 |
| 2012 | 2 | 2 |
| 2013 | 1 | 2 |
| 2014 | 3 | 3 |
| 2015 | 2 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 4 |
| 2019 | 1 | 2 |
| 2020 | 2 | 1 |
| 2021 | 0 | 2 |
| 2022 | 3 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Blowing suction device22 Sep 2026US 12,740,517 B2Positec Power Tools (Suzhou) Co., Ltd.
- Air cleaning blower systems, methods, and adaptations30 Sep 2025US 12,427,462 B2Andover Protection Systems, LLC
- Radial impeller with maximized inducer area11 Feb 2025US 12,221,976 B1Hamilton Sundstrand Corporation
- Blowing suction device26 Sep 2023US 11,766,001 B2Positec Power Tools (Suzhou) Co., Ltd.
- Integrated connector for multi-stage compressor1 Nov 2022US 11,486,618 B2Danfoss A/S
- Multi-compression unit for ammonia production5 Jun 2025US 2025/0178912 A1Nuovo Pignone Tecnologie Srl
- Radial impeller with maximized inducer area13 Feb 2025US 2025/0052253 A1Hamilton Sundstrand Corporation
- Centrifugal compressor and refrigeration apparatus16 Jan 2025US 2025/0020130 A1Daikin Industries, Ltd.
- Blowing suction device11 Jan 2024US 2024/0008426 A1Positec Power Tools (Suzhou) Co., Ltd.
- Air Cleaning Blower Systems, Methods, and Adaptations17 Aug 2023US 2023/0256370 A1Andover Protection Systems, LLC
Most cited
By later US patents
- Multiple-choke apparatus for transporting and metering particulate material51US 5,051,041 AStamet, Inc. · 1991
- Multiple-choke apparatus for transporting and metering particulate material50US 4,988,239 AStamet, Inc. · 1991
- Apparatus and method for transporting and metering particulate materials into fluid pressure33US 5,402,876 AStamet, Inc. · 1995
- Compressor apparatus and method for the operation of the same31US 7,244,111 B2MAN Turbomuschinen AG Schweiz · 2007
- Grooved disk drive apparatus and method for transporting and metering particulate material30US 5,355,993 A1994