H02K 7/09
With magnetic bearings
Official title: with magnetic bearings
H02K7/09 (With magnetic bearings) appears on 1,200 US grants and 1,098 published applications in this corpus.
Search patents in H02K- Granted patents
- 1,200
- Published applications
- 1,098
- Assignees
- 585
- Inventors
- 2,253
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 10 | 0 |
| 1988 | 8 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 11 | 0 |
| 1992 | 19 | 0 |
| 1993 | 19 | 0 |
| 1994 | 12 | 0 |
| 1995 | 16 | 0 |
| 1996 | 23 | 0 |
| 1997 | 15 | 0 |
| 1998 | 24 | 0 |
| 1999 | 34 | 0 |
| 2000 | 34 | 0 |
| 2001 | 38 | 7 |
| 2002 | 30 | 24 |
| 2003 | 28 | 44 |
| 2004 | 45 | 33 |
| 2005 | 28 | 39 |
| 2006 | 28 | 38 |
| 2007 | 19 | 28 |
| 2008 | 15 | 37 |
| 2009 | 20 | 46 |
| 2010 | 32 | 38 |
| 2011 | 29 | 44 |
| 2012 | 23 | 44 |
| 2013 | 26 | 51 |
| 2014 | 33 | 58 |
| 2015 | 51 | 51 |
| 2016 | 36 | 42 |
| 2017 | 45 | 52 |
| 2018 | 36 | 50 |
| 2019 | 56 | 64 |
| 2020 | 58 | 51 |
| 2021 | 49 | 45 |
| 2022 | 43 | 39 |
| 2023 | 39 | 47 |
| 2024 | 48 | 64 |
| 2025 | 47 | 39 |
| 2026 | 24 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Battery-based active magnetic bearing system and a power supply circuit thereof25 Aug 2026US 12,719,301 B2Carrier Corporation
- Electromagnetic rotary machinery25 Aug 2026US 12,719,316 B2Mitsubishi Electric Corporation
- Back-yokeless magnetic-bearing-integrated motor25 Aug 2026US 12,719,332 B2Gachon University of Industry-Academic Cooperation Foundation
- Flywheel magnetic lift and bearing system4 Aug 2026US 12,698,819 B2Torus Inc.
- Systems and methods for power generation, transmission, amplification and/or storage28 Jul 2026US 12,695,357 B2Green Lab IP Nominee Pty Ltd
- Systems and methods for power generation, transmission, amplification and/or storage8 Oct 2026US 2026/0312461 A1Green Lab IP Nominee Pty Ltd
- Mechanical renewable green energy production3 Sep 2026US 2026/0261182 A1Phos Global Energy Solutions, Inc.
- Mechanical energy accumulator system27 Aug 2026US 2026/0254313 A1
- 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
- Bidirectional flowthrough turboexpander6 Aug 2026US 2026/0226844 A1Calnetix Technologies, LLC
Most cited
By later US patents
- Energy conversion systems and methods405US 10,060,473 B2Oceana Energy Company · 2018
- Air gap control systems and methods405US 10,193,429 B2Boulder Wind Power, Inc. · 2019
- Sealless rotary blood pump with passive magnetic radial bearings and blood immersed axial bearings378US 5,695,471 AKriton Medical, Inc. · 1997
- Magnetically suspended rotor axial flow blood pump373US 4,779,614 ANimbus Medical, Inc. · 1988
- Bearingless blood pump and electronic drive system372US 6,071,093 AABIOMED, Inc. · 2000