F16F 2224/043
Electrorheological
Official title: electrorheological
F16F2224/043 (Electrorheological) appears on 31 US grants and 39 published applications in this corpus.
Search patents in F16F- Granted patents
- 31
- Published applications
- 39
- Assignees
- 30
- Inventors
- 102
- Latest grant
- 9 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 3 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 4 | 1 |
| 2018 | 1 | 3 |
| 2019 | 2 | 5 |
| 2020 | 2 | 6 |
| 2021 | 4 | 5 |
| 2022 | 1 | 0 |
| 2023 | 4 | 3 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Damper device9 Apr 2024US 11,953,075 B2Hitachi Astemo, Ltd.
- Squeeze mode giant electrorheological fluid damper7 Nov 2023US 11,808,317 B2Shanghai University
- Directional vibration control apparatus for compactor drum with single eccentric11 Jul 2023US 11,698,119 B2Volvo Construction Equipment AB
- Powertrain proactive damping system using magneto rheological materials13 Jun 2023US 11,673,445 B2Continental Automotive Systems, Inc.
- High-voltage system and failure diagnosis method for high-voltage system18 Apr 2023US 11,630,164 B2Hitachi Astemo, Ltd.
- Spring system having a spring arrangement7 May 2026US 2026/0124870 A1
- Haptic actuator using magnetorheological elastomer and magnetorheological fluid26 Jun 2025US 2025/0207654 A1Korea University of Technology and Education Industry-University Cooperation Foundation
- Electro-rheological fluid and cylinder device using same5 Dec 2024US 2024/0400931 A1Hitachi Astemo, Ltd.
- Electroviscous fluid and cylinder device25 May 2023US 2023/0159847 A1Hitachi Astemo, Ltd.
- Squeeze mode giant electrorheological fluid damper2 Mar 2023US 2023/0062689 A1Shanghai University
Most cited
By later US patents
- Adaptive energy absorption system for a vehicle seat36US 7,822,522 B2Techno-Sciences, Inc. · 2010
- Electrorheological rotary pure-shear damping devices32US 5,992,582 A1999
- Shock, vibration and acoustic isolation system27US 6,923,298 B2Northrop Grumman Corporation · 2005
- Shock, vibration and acoustic isolation system26US 6,752,250 B2Northrop Grumman Corporation · 2004
- Variable inertial mass flywheel25US 5,007,303 ANissan Motor Co., Ltd. · 1991