F16C 32/0444
Details of devices to control the actuation of the electromagnets
Official title: {Details of devices to control the actuation of the electromagnets}
F16C32/0444 (Details of devices to control the actuation of the electromagnets) appears on 619 US grants and 398 published applications in this corpus.
Search patents in F16C- Granted patents
- 619
- Published applications
- 398
- Assignees
- 284
- Inventors
- 1,039
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 15 | 0 |
| 1990 | 7 | 0 |
| 1991 | 14 | 0 |
| 1992 | 16 | 0 |
| 1993 | 14 | 0 |
| 1994 | 14 | 0 |
| 1995 | 7 | 0 |
| 1996 | 19 | 0 |
| 1997 | 15 | 0 |
| 1998 | 25 | 0 |
| 1999 | 16 | 0 |
| 2000 | 14 | 0 |
| 2001 | 24 | 6 |
| 2002 | 25 | 23 |
| 2003 | 25 | 13 |
| 2004 | 15 | 10 |
| 2005 | 10 | 9 |
| 2006 | 11 | 8 |
| 2007 | 4 | 12 |
| 2008 | 8 | 15 |
| 2009 | 7 | 10 |
| 2010 | 10 | 8 |
| 2011 | 7 | 8 |
| 2012 | 9 | 9 |
| 2013 | 4 | 13 |
| 2014 | 10 | 24 |
| 2015 | 11 | 14 |
| 2016 | 12 | 13 |
| 2017 | 21 | 24 |
| 2018 | 15 | 20 |
| 2019 | 22 | 31 |
| 2020 | 23 | 18 |
| 2021 | 21 | 20 |
| 2022 | 21 | 21 |
| 2023 | 12 | 21 |
| 2024 | 21 | 25 |
| 2025 | 18 | 19 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of regulating electrical supply for a magnetic bearing control system15 Sep 2026US 12,736,083 B2Atlas Copco Airpower N.V.
- Battery-based active magnetic bearing system and a power supply circuit thereof25 Aug 2026US 12,719,301 B2Carrier Corporation
- Electric machine16 Jun 2026US 12,658,742 B2ROLLS-ROYCE plc
- Electric machine with an electromagnetic bearing2 Jun 2026US 12,646,996 B2Université Catholique De Louvain
- Magnetic bearing module having a magnetic bearing26 May 2026US 12,638,049 B2Skf Magnetic Mechatronics
- Motor bearing wear monitoring device, setting method for motor bearing wear monitoring device, and setting program16 Jul 2026US 2026/0202281 A1Nikkiso Co., Ltd.
- Bearing device, motor and compressor18 Jun 2026US 2026/0169029 A1Carrier Corporation
- Magnetic suspension bearing control system, control method and refrigeration equipment18 Jun 2026US 2026/0171899 A1Carrier Corporation
- Active magnetic bearing compensation based on external information14 May 2026US 2026/0132816 A1
- Magnetic bearing control device, magnetic bearing device, and turbo machine11 Dec 2025US 2025/0377016 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Combined position sensor and magnetic motor or bearing1,212US 4,652,820 ANorth American Philips Corporation · 1987
- Blood pump flow rate control method and apparatus utilizing multiple sensors216US 6,422,990 B1Vascor, Inc. · 2002
- Rotary machine with an electromagnetic rotary drive208US 6,100,618 ALust Antriebstechnik GmbH · 2000
- Magnetically suspended and rotated rotor203US 5,385,581 ALife Extenders Corporation · 1995
- Electrical rotary drive190US 6,351,048 B1Levitronix LLC · 2002