C10N 2040/185
Magnetic fluids
Official title: {Magnetic fluids}
C10N2040/185 (Magnetic fluids) appears on 115 US grants and 28 published applications in this corpus.
Search patents in C10N- Granted patents
- 115
- Published applications
- 28
- Assignees
- 68
- Inventors
- 215
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 1 |
| 2002 | 2 | 4 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic viscous fluid and mechanical device17 Feb 2026US 12,553,007 B2Somar Corporation
- Magnetic viscous fluid and mechanical device27 Jan 2026US 12,534,683 B2Somar Corporation
- Magnetic viscous fluid and mechanical device25 Nov 2025US 12,480,069 B2Somar Corporation
- Compositions comprising 1,2-dichloro-1,2-difluoroethylene for use in cleaning and solvent applications18 Jul 2023US 11,702,618 B2The Chemours Company Fc, LLC
- Additive for magnetorheological fluids6 Dec 2022US 11,518,957 B2Lord Corporation
- Magnetic viscous fluid and mechanical device9 Jan 2025US 2025/0011675 A1Somar Corporation
- Magnetic viscous fluid and mechanical device9 Jan 2025US 2025/0014796 A1Somar Corporation
- Magnetic viscous fluid and mechanical device3 Oct 2024US 2024/0327745 A1Somar Corporation
- Chemisorbed lubricants for data storage devices21 Mar 2024US 2024/0093114 A1Western Digital Technologies, Inc.
- Compositions comprising 1,2-dichloro-1,2-difluoroethylene for use in cleaning and solvent applications29 Sep 2022US 2022/0306972 A1The Chemours Company Fc, LLC
Most cited
By later US patents
- Compressible fluid magnetorheological suspension strut110US 7,413,063 B1Davis Family Irrevocable Trust · 2008
- Poly(perfluoroalkylene oxide) derivatives106US 4,085,137 AMinnesota Mining and Manufacturing Company · 1978
- Suspension strut for use with a compressible magnetorheological fluid106US 7,770,701 B1Horstman, Inc. · 2010
- Poly(perfluoroalkylene oxide) derivatives104US 4,094,911 AMinnesota Mining and Manufacturing Company · 1978
- Electrorheological fluids75US 4,772,407 ALord Corporation · 1988