F16F 13/18
Characterised by the location or the shape of the equilibration chamber
Official title: characterised by the location or the shape of the equilibration chamber, e.g. the equilibration chamber, surrounding the plastics spring or being annular (F16F13/1418 takes precedence)
F16F13/18 (Characterised by the location or the shape of the equilibration chamber) appears on 85 US grants and 47 published applications in this corpus.
Search patents in F16F- Granted patents
- 85
- Published applications
- 47
- Assignees
- 45
- Inventors
- 138
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 5 |
| 2003 | 4 | 1 |
| 2004 | 0 | 3 |
| 2005 | 2 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 5 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 4 | 5 |
| 2013 | 0 | 1 |
| 2014 | 1 | 3 |
| 2015 | 3 | 4 |
| 2016 | 5 | 2 |
| 2017 | 3 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 3 |
| 2020 | 2 | 3 |
| 2021 | 1 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 2 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Vehicle unit fastening subassembly and modular system11 Feb 2025US 12,222,014 B2Bayerische Motoren Werke Aktiengesellschaft
- Fluid-filled vibration damping device7 Jan 2025US 12,188,537 B2Sumitomo Riko Company Limited
- Flow suppression device27 Aug 2024US 12,071,997 B2
- Method for sealing liquid composite spring2 Jul 2024US 12,025,200 B2Zhuzhou Times New Material Technology Co., Ltd.
- Flow suppression device14 Feb 2023US 11,578,778 B2
- Fluid-filled vibration damping device and manufacturing method thereof25 Sep 2025US 2025/0297668 A1Sumitomo Riko Company Limited
- Flow suppression device11 May 2023US 2023/0147788 A1
- Fluid-filled vibration damping device19 Jan 2023US 2023/0020695 A1Sumitomo Riko Company Limited
- Method for sealing liquid composite spring10 Mar 2022US 2022/0074463 A1Zhuzhou Times New Material Technology Co., Ltd.
- Vehicle Unit Fastening Subassembly and Modular System7 Oct 2021US 2021/0310536 A1Bayerische Motoren Werke Aktiengesellschaft
Most cited
By later US patents
- Elastically yieldable block structure, in particular for the suspension of an engine of a vehicle44US 4,262,886 AAutomobiles Peugeot · 1981
- Viscous spring damper42US 4,352,487 AGould Inc. · 1982
- Resilient return strut of the elastic-hydraulic type with incorporated linear damping by throttling a high-viscosity fluid40US 5,004,215 ASociete Nationale Industrielle et Aerospatiale · 1991
- Vertical liquid inertia vibration isolator39US 6,431,530 B1Bell Helicopter Textron Inc. · 2002
- Dampening device37US 4,458,888 AWOCO Franz-Josef Wolf & Co. · 1984