B60N 2/52
Using fluid means
Official title: using fluid means
B60N2/52 (Using fluid means) appears on 394 US grants and 322 published applications in this corpus.
Search patents in B60N- Granted patents
- 394
- Published applications
- 322
- Assignees
- 188
- Inventors
- 640
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 2 |
| 2002 | 8 | 2 |
| 2003 | 5 | 2 |
| 2004 | 3 | 8 |
| 2005 | 2 | 9 |
| 2006 | 3 | 9 |
| 2007 | 5 | 12 |
| 2008 | 2 | 6 |
| 2009 | 6 | 14 |
| 2010 | 8 | 16 |
| 2011 | 12 | 9 |
| 2012 | 15 | 19 |
| 2013 | 16 | 12 |
| 2014 | 15 | 14 |
| 2015 | 15 | 16 |
| 2016 | 17 | 22 |
| 2017 | 19 | 18 |
| 2018 | 18 | 13 |
| 2019 | 14 | 16 |
| 2020 | 18 | 13 |
| 2021 | 10 | 22 |
| 2022 | 10 | 17 |
| 2023 | 15 | 19 |
| 2024 | 27 | 15 |
| 2025 | 11 | 11 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Active crew seat vibration control6 Oct 2026US 12,753,823 B2Lockheed Martin Corporation
- Systems and methods for controlling inflation of a seat cushion29 Sep 2026US 12,746,862 B2Jaguar Land Rover Limited
- Vehicle seat having a tuned mass damper15 Sep 2026US 12,734,944 B2Bayerische Motoren Werke Aktiengesellschaft
- Lateral isolator for vehicle seats16 Jun 2026US 12,654,605 B2
- Multi-degree anti-vibration unit12 May 2026US 12,624,742 B2City University of Hong Kong
- Impact and Vibration Mitigation for Cushion Systems8 Oct 2026US 2026/0307561 A1Kalogon, Inc.
- A seat suspension unit17 Sep 2026US 2026/0274130 A1UNO Minda Limited
- A safety arrangement for a height-adjustable seat structure and a vehicle seat in a truck, lorry or bus using such safety arrangement23 Jul 2026US 2026/0208631 A1Autoliv Development AB
- Dampening system for seat assembly18 Jun 2026US 2026/0167071 A1Textron Inc.
- Vehicle seat suspension device and vehicle seat5 Mar 2026US 2026/0061906 A1NHK Spring Co., Ltd.
Most cited
By later US patents
- Electroviscous liquid-filled suspension device and control damping device therefor122US 4,858,733 ABridgestone Corporation · 1989
- Active suspending115US 8,095,268 B2Bose Corporation · 2012
- Controllable seat damper system and control method therefor100US 5,652,704 ALord Corporation · 1997
- Active vehicle seat suspension system96US 5,975,508 AApplied Power Inc. · 1999
- Regenerative system including an energy transformer which requires no external power source to drive same91US 5,570,286 ALord Corporation · 1996