F16C 32/0637
By a magnetic field
Official title: {by a magnetic field, e.g. ferrofluid bearings}
F16C32/0637 (By a magnetic field) appears on 13 US grants and 10 published applications in this corpus.
Search patents in F16C- Granted patents
- 13
- Published applications
- 10
- Assignees
- 17
- Inventors
- 31
- Latest grant
- 7 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 2 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Self-healing bearing device using electric or magnetic fluids7 May 2024US 11,976,690 B2Bifröst Research and Development B.V.
- Adjustable steering column having at least one MRF actuator11 May 2021US 11,001,290 B2thyssenkrupp AG
- Electromagnetically enabled active dynamic pressure gas bearing31 Dec 2019US 10,520,024 B2Technologies' Xanadu of Resonatory-Solar-Systemed Co., Ltd.
- Hydrostatic bearing assembly for an x-ray tube22 Oct 2019US 10,451,110 B2General Electric Company
- Semi-active isolators based on magnetorheological nanocomposites28 Feb 2017US 9,581,214 B2The Regents of the University of California
- Magneto-rheological rotating load device and method of controlling the same7 Dec 2023US 2023/0392667 A1Ck Materials Lab Co., Ltd.
- Self-healing bearing device using electric or magnetic fluids24 Nov 2022US 2022/0373031 A1Bifröst Research and Development B.V.
- Adjustable steering column having at least one mrf actuator18 Jun 2020US 2020/0189643 A1thyssenkrupp AG
- Hydrostatic Bearing Assembly For An X-Ray Tube30 May 2019US 2019/0162231 A1General Electric Company
- Electromagnetically enabled active dynamic pressure gas bearing25 Apr 2019US 2019/0120292 A1Technologies' Xanadu of Resonatory-Solar-Systemed Co., Ltd.
Most cited
By later US patents
- Positioning device for optical system element76US 4,475,033 ANorthern Telecom Limited · 1984
- Magnet structure32US 4,451,811 ALitton Systems, Inc. · 1984
- Hydrostatic bearing utilizing a ferromagnetic fluid16US 4,809,354 ANippon Seiko Kabushiki Kaisha · 1989
- Linear bearing for parallel tracking arm11US 4,065,188 AStrathearn Audio Limited · 1977
- Low friction ferrofluid bearing arrangement8US 4,717,266 ASpectra-Physics, Inc. · 1988