F04D 1/025
Comprising axial and radial stages
Official title: {Comprising axial and radial stages}
F04D1/025 (Comprising axial and radial stages) appears on 25 US grants and 27 published applications in this corpus.
Search patents in F04D- Granted patents
- 25
- Published applications
- 27
- Assignees
- 26
- Inventors
- 75
- Latest grant
- 24 Jun 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 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 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 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 3 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 3 | 2 |
| 2020 | 3 | 3 |
| 2021 | 2 | 1 |
| 2022 | 0 | 3 |
| 2023 | 2 | 0 |
| 2024 | 1 | 2 |
| 2025 | 3 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compressor for CO2 cycle with at least two cascade compression stages for assuring supercritical conditions24 Jun 2025US 12,338,827 B2Nuovo Pignone Tecnologie Srl
- High volume axial flow electric submersible pump (ESP) pump stage20 May 2025US 12,305,494 B2Halliburton Energy Services.Inc.
- Impeller and pump11 Mar 2025US 12,247,576 B2Mitsubishi Heavy Industries, Ltd.
- Sensing device, system and method for a pump13 Feb 2024US 11,898,577 B2Weir Minerals Australia Ltd.
- Impeller with external blades7 Mar 2023US 11,598,347 B2Trane International Inc.
- Submersible Semi-Axial Centrifugal Pump and Impeller for Such Pump27 Aug 2026US 2026/0251149 A1Xylem Europe GmbH
- High volume axial flow electric submersible pump (esp) pump stage30 May 2024US 2024/0175339 A1Halliburton Energy Services.Inc.
- Compressor for co2 cycle with at least two cascade compression stages for assuring supercritical conditions11 Jan 2024US 2024/0011493 A1Nuovo Pignone Tecnologie Srl
- A Sensing Device, System And Method For A Pump17 Nov 2022US 2022/0364565 A1Weir Minerals Australia Ltd.
- Impeller and pump30 Jun 2022US 2022/0205452 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Single flow turbopump with integrated boosting56US 5,232,333 ASociete Europeenne de Propulsion · 1993
- Blood pump with separate mixed-flow and axial-flow impeller stages and multi-stage stators24US 10,434,232 B2HeartWare, Inc. · 2019
- Axial or worm-type centrifugal impeller pump23US 4,275,988 A1981
- Blood pump with separate mixed-flow and axial-flow impeller stages and multi-stage stators18US 10,111,994 B2HeartWare, Inc. · 2018
- Turbo pump7US 7,021,890 B2Ishigaki Company Limited · 2006