F04D 29/648
Especially adapted for liquid pumps
Official title: {especially adapted for liquid pumps}
F04D29/648 (Especially adapted for liquid pumps) appears on 61 US grants and 70 published applications in this corpus.
Search patents in F04D- Granted patents
- 61
- Published applications
- 70
- Assignees
- 52
- Inventors
- 141
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 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 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 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 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 5 |
| 2015 | 1 | 4 |
| 2016 | 3 | 5 |
| 2017 | 6 | 6 |
| 2018 | 3 | 5 |
| 2019 | 2 | 5 |
| 2020 | 4 | 6 |
| 2021 | 5 | 10 |
| 2022 | 8 | 3 |
| 2023 | 1 | 1 |
| 2024 | 7 | 5 |
| 2025 | 6 | 6 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pump, a bearing assembly for a pump and a method of assembling the bearing assembly26 May 2026US 12,638,053 B2Edwards Limited
- Intakes and gas separators for downhole pumps, and related apparatuses and methods28 Apr 2026US 12,612,915 B2
- Axial pump with adjustable impeller23 Dec 2025US 12,504,027 B2Hewlett Packard Enterprise Development LP
- Device for changing a pump unit of a centrifugal pump and centrifugal pump2 Dec 2025US 12,486,848 B2Levitronix LLC
- Mechanical shaft stop in a rotating machine28 Oct 2025US 12,454,880 B1Halliburton Energy Services.Inc.
- Pumping station for a tank pump14 May 2026US 2026/0132802 A1Lutz Pumpen GmbH
- Micro-axial pump with press-fit impeller30 Apr 2026US 2026/0122846 A1Hewlett Packard Enterprise Development LP
- Assemblable pump system and related methods5 Mar 2026US 2026/0061179 A1
- Mechanical shaft stop in a rotating machine30 Oct 2025US 2025/0334032 A1Halliburton Energy Services.Inc.
- Blood pump housing component12 Jun 2025US 2025/0188935 A1ABIOMED, Inc.
Most cited
By later US patents
- Percutaneous axial flow blood pump422US 4,944,722 ANimbus Medical, Inc. · 1990
- Blood pump housing component97US 9,433,713 B2ABIOMED, Inc. · 2016
- Split stator for motor/blood pump82US 5,205,721 ANu-Tech Industries, Inc. · 1993
- Blood pump housing component65US 11,364,373 B2ABIOMED, Inc. · 2022
- Blood pump housing component27US 9,821,100 B2ABIOMED, Inc. · 2017