F04D 3/00
Axial-flow pumps
Official title: Axial-flow pumps (priming or boosting F04D9/00)
F04D3/00 (Axial-flow pumps) appears on 605 US grants and 618 published applications in this corpus.
Search patents in F04D- Granted patents
- 605
- Published applications
- 618
- Assignees
- 348
- Inventors
- 1,090
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 13 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 7 |
| 2002 | 14 | 7 |
| 2003 | 14 | 12 |
| 2004 | 13 | 14 |
| 2005 | 5 | 17 |
| 2006 | 8 | 9 |
| 2007 | 6 | 16 |
| 2008 | 7 | 11 |
| 2009 | 7 | 12 |
| 2010 | 8 | 8 |
| 2011 | 9 | 14 |
| 2012 | 5 | 12 |
| 2013 | 10 | 33 |
| 2014 | 6 | 15 |
| 2015 | 13 | 29 |
| 2016 | 27 | 51 |
| 2017 | 25 | 20 |
| 2018 | 29 | 29 |
| 2019 | 37 | 54 |
| 2020 | 31 | 31 |
| 2021 | 37 | 48 |
| 2022 | 29 | 31 |
| 2023 | 37 | 33 |
| 2024 | 48 | 44 |
| 2025 | 38 | 26 |
| 2026 | 20 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fluid pump and method of manufacturing same6 Oct 2026US 12,753,765 B2Temco Industrial, LLC
- Submersible pump housing22 Sep 2026US 12,742,462 B1Turtle Pump Company LLC
- Non-occluding intravascular blood pump providing reduced hemolysis15 Sep 2026US 12,736,054 B2Procyrion, Inc.
- Marine drives and cooling pumps for marine drives8 Sep 2026US 12,728,974 B1Brunswick Corporation
- Axial pump and riser18 Aug 2026US 12,710,044 B2Molten Metal Equipment Innovations, LLC
- Rotor for a fluid pump, and method and mold for manufacturing same24 Sep 2026US 2026/0286968 A1Ecp Entwicklungsgesellschaft Mbh
- Rotor assembly with interchangeable blades24 Sep 2026US 2026/0286972 A1Rescue South, Inc.
- Pump arrangement24 Sep 2026US 2026/0286983 A1ECP Entwicklungsgesselschaft mbH
- Blood pump with modified liner10 Sep 2026US 2026/0263780 A1Abiomed Europe GmbH
- Pump stator tie-layer with surface roughness20 Aug 2026US 2026/0243253 A1Schlumberger Technology Corporation
Most cited
By later US patents
- Single-stage axial flow blood pump493US 4,846,152 ANimbus Medical, Inc. · 1989
- Self-deploying axial-flow pump introduced intravascularly for temporary cardiac support480US 6,533,716 B12003
- Helifoil pump441US 4,969,865 AAmerican BioMed, Inc. · 1990
- Heart assist device with expandable impeller pump411US 7,841,976 B2The Penn State Research Foundation · 2010
- Expandable impeller pump391US 7,393,181 B2Datascope Investment Corp. · 2008