F16C 32/0451
Details of controllers, i.e. the units determining the power to be supplied
Official title: {Details of controllers, i.e. the units determining the power to be supplied, e.g. comparing elements, feedback arrangements with P.I.D. control}
F16C32/0451 (Details of controllers, i.e. the units determining the power to be supplied) appears on 227 US grants and 169 published applications in this corpus.
Search patents in F16C- Granted patents
- 227
- Published applications
- 169
- Assignees
- 119
- Inventors
- 434
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
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| 1986 | 5 | 0 |
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| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
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| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 12 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 1 |
| 2002 | 6 | 8 |
| 2003 | 9 | 5 |
| 2004 | 5 | 4 |
| 2005 | 2 | 2 |
| 2006 | 5 | 1 |
| 2007 | 0 | 4 |
| 2008 | 1 | 3 |
| 2009 | 4 | 2 |
| 2010 | 2 | 1 |
| 2011 | 1 | 3 |
| 2012 | 3 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 12 |
| 2015 | 2 | 8 |
| 2016 | 7 | 7 |
| 2017 | 12 | 11 |
| 2018 | 7 | 13 |
| 2019 | 15 | 20 |
| 2020 | 10 | 8 |
| 2021 | 12 | 12 |
| 2022 | 10 | 10 |
| 2023 | 8 | 9 |
| 2024 | 8 | 13 |
| 2025 | 5 | 8 |
| 2026 | 4 | 2 |
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.
- Electric machine with an electromagnetic bearing2 Jun 2026US 12,646,996 B2Université Catholique De Louvain
- Control system for controlling a magnetic suspension system17 Feb 2026US 12,553,470 B2Spindrive Oy
- Device for controlling a magnetic bearing and associated system27 Jan 2026US 12,535,105 B2Skf Magnetic Mechatronics
- Analog compensation of inductive sensors26 Aug 2025US 12,398,755 B2Skf Canada Limited
- 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.
- Bearingless motor system, compressor, and refrigeration apparatus13 Nov 2025US 2025/0350173 A1Daikin Industries, Ltd.
- Method of regulating electrical supply for a magnetic bearing control system10 Jul 2025US 2025/0224000 A1Atlas Copco Airpower N.V.
Most cited
By later US patents
- Method and control apparatus for controlling an AC-machine105US 5,708,346 ALust Antriebstechnik GmbH · 1998
- System and method for controlling suspension using a magnetic field101US 6,323,614 B1The Texas A&M University System · 2001
- Magnetic levitation system100US 4,585,282 A1986
- Minimal-loss flywheel battery and related elements66US 6,566,775 B12003
- Magnetic bearing, rotating machine mounting the same, and method for driving rotating machine59US 6,111,333 AHitachi, Ltd. · 2000