F04D 29/042
Axially shiftable rotors
Official title: Axially shiftable rotors (F04D29/041 takes precedence {; control by creating a by-pass F04D15/0027})
F04D29/042 (Axially shiftable rotors) appears on 95 US grants and 88 published applications in this corpus.
Search patents in F04D- Granted patents
- 95
- Published applications
- 88
- Assignees
- 68
- Inventors
- 163
- Latest grant
- 2 Jun 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 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 3 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 3 |
| 2010 | 4 | 2 |
| 2011 | 0 | 0 |
| 2012 | 3 | 3 |
| 2013 | 0 | 2 |
| 2014 | 2 | 5 |
| 2015 | 3 | 1 |
| 2016 | 2 | 8 |
| 2017 | 5 | 5 |
| 2018 | 2 | 4 |
| 2019 | 5 | 11 |
| 2020 | 7 | 5 |
| 2021 | 8 | 13 |
| 2022 | 5 | 2 |
| 2023 | 7 | 3 |
| 2024 | 10 | 5 |
| 2025 | 5 | 7 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Impeller frame2 Jun 2026US 12,642,955 B2Magenta Medical Ltd.
- Balance drums and systems for managing axial forces for pumps and related systems and methods24 Mar 2026US 12,584,488 B2Flowserve US Company
- Axial pump with adjustable impeller23 Dec 2025US 12,504,027 B2Hewlett Packard Enterprise Development LP
- Compensation assemblies for fluid handling devices and related devices, systems, and methods11 Nov 2025US 12,467,460 B1Flowserve Pte. Ltd.
- Fluid vacuum pump11 Nov 2025US 12,467,461 B2Water Technology, LLC
- Balance drums and systems for managing axial forces for pumps and related systems and methods16 Jul 2026US 2026/0201891 A1
- Fluid vacuum pump19 Feb 2026US 2026/0049612 A1Water Technology, LLC
- Balance drums and systems for managing axial forces for pumps and related systems and methods27 Nov 2025US 2025/0361871 A1Dwc & Associates, LLC
- Pump head delivery27 Mar 2025US 2025/0099740 A1Magenta Medical Ltd.
- Purging a bearing interface27 Mar 2025US 2025/0099741 A1Magenta Medical Ltd.
Most cited
By later US patents
- Magnetically suspended and rotated impellor pump apparatus and method291US 4,688,998 A1987
- Electrohydraulic energy converter for cardiac assist devices and artificial hearts193US 5,346,458 A1994
- Impeller for blood pump79US 10,881,770 B2Magenta Medical Ltd. · 2021
- Multi functional pump for pumping molten metal59US 7,507,365 B22009
- Ventricular assist device52US 11,185,680 B2Magenta Medical Ltd. · 2021