F04D 29/048
Magnetic
Official title: magnetic; electromagnetic
F04D29/048 (Magnetic) appears on 307 US grants and 297 published applications in this corpus.
Search patents in F04D- Granted patents
- 307
- Published applications
- 297
- Assignees
- 148
- Inventors
- 476
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 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 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 14 | 5 |
| 2002 | 9 | 6 |
| 2003 | 11 | 5 |
| 2004 | 3 | 6 |
| 2005 | 5 | 8 |
| 2006 | 2 | 6 |
| 2007 | 2 | 9 |
| 2008 | 5 | 16 |
| 2009 | 3 | 5 |
| 2010 | 6 | 5 |
| 2011 | 5 | 14 |
| 2012 | 7 | 12 |
| 2013 | 10 | 16 |
| 2014 | 16 | 13 |
| 2015 | 14 | 10 |
| 2016 | 10 | 13 |
| 2017 | 15 | 10 |
| 2018 | 7 | 17 |
| 2019 | 17 | 24 |
| 2020 | 17 | 12 |
| 2021 | 17 | 21 |
| 2022 | 11 | 22 |
| 2023 | 19 | 8 |
| 2024 | 18 | 11 |
| 2025 | 13 | 14 |
| 2026 | 10 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid supply device with function of reducing generation of particles25 Aug 2026US 12,716,416 B2Samsung Electronics Co., Ltd.
- Pump unit for a centrifugal pump and a centrifugal pump18 Aug 2026US 12,710,049 B2Levitronix LLC
- Heart pump11 Aug 2026US 12,702,818 B2BiVACOR Inc.
- Alternating pump gaps4 Aug 2026US 12,698,776 B2Tc1 LLC
- Canned rotodynamic flow machine for a molten salt nuclear reactor and an active magnetic bearing for use in a flow machine for a molten salt nuclear reactor12 May 2026US 12,624,698 B2Copenhagen Atomics A/S
- Magnetic levitation device and pump unit10 Sep 2026US 2026/0266292 A1Levitronix LLC
- Magnetic levitation device and pump unit10 Sep 2026US 2026/0266305 A1Levitronix LLC
- Canned Rotodynamic Flow Machine For A Molten Salt Nuclear Reactor And An Active Magnetic Bearing For Use In A Flow Machine For A Molten Salt Nuclear Reactor20 Aug 2026US 2026/0243262 A1Copenhagen Atomics A/S
- Magnetic propulsion and bearing for a hemodynamic support pump25 Jun 2026US 2026/0175009 A1Boston Scientific Scimed, Inc.
- Magnetic levitation type pump11 Jun 2026US 2026/0160260 A1Pillar Corporation
Most cited
By later US patents
- Rotary blood pump405US 6,234,772 B1Kriton Medical, Inc. · 2001
- Method and apparatus for cardiac blood flow assistance397US 5,911,685 AGuidant Corporation · 1999
- Axial flow blood pump with hydrodynamically suspended rotor386US 5,211,546 ANu-Tech Industries, Inc. · 1993
- Intravascular blood pump382US 6,176,848 B1Impella Cardiotechnik Aktiengesellschaft · 2001
- Magnetically suspended rotor axial flow blood pump373US 4,779,614 ANimbus Medical, Inc. · 1988