F16F 9/0409
Characterised by the wall structure
Official title: {characterised by the wall structure}
F16F9/0409 (Characterised by the wall structure) appears on 96 US grants and 90 published applications in this corpus.
Search patents in F16F- Granted patents
- 96
- Published applications
- 90
- Assignees
- 61
- Inventors
- 200
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 2 |
| 2004 | 3 | 7 |
| 2005 | 2 | 2 |
| 2006 | 2 | 4 |
| 2007 | 2 | 3 |
| 2008 | 1 | 3 |
| 2009 | 2 | 3 |
| 2010 | 2 | 3 |
| 2011 | 2 | 2 |
| 2012 | 2 | 2 |
| 2013 | 2 | 3 |
| 2014 | 2 | 7 |
| 2015 | 7 | 4 |
| 2016 | 6 | 5 |
| 2017 | 3 | 6 |
| 2018 | 4 | 5 |
| 2019 | 5 | 6 |
| 2020 | 4 | 6 |
| 2021 | 6 | 4 |
| 2022 | 4 | 4 |
| 2023 | 3 | 3 |
| 2024 | 3 | 3 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- 3D-printed elastic products reinforced by means of continuous fibres and having asymmetrical elastic properties20 May 2025US 12,305,021 B2Stratasys, Inc.
- Bellows suspension unit5 Nov 2024US 12,135,069 B2RB Distribution, Inc.
- Pneumatic structure and associated production method29 Oct 2024US 12,129,907 B2Centre National de la Recherche Scientifique (CNRS)
- Article, in particular air spring bellows, a metal-rubber element, or a vibration damper6 Aug 2024US 12,054,602 B2ContiTech Luftfedersysteme GmbH
- Pressure body for a compressed-air system19 Sep 2023US 11,760,146 B2Continental Teves AG & Co. oHG
- Air-sleeve with hybrid cord angles25 Sep 2025US 2025/0297663 A1Beijingwest Industries Co., Ltd.
- Piston, air spring and motor vehicle28 Aug 2025US 2025/0271048 A1Volvo Car Corporation
- Sleeve for air spring for vehicle and air spring including the same5 Dec 2024US 2024/0401662 A1Iljin Co., Ltd.
- Sleeve for air spring for vehicle5 Dec 2024US 2024/0401663 A1Iljin Co., Ltd.
- Air spring with adjustable stiffness and vehicle air suspension system23 May 2024US 2024/0166012 A1Shandong Meichen Industry Group Co., Ltd.
Most cited
By later US patents
- Pressurizable envelope and method317US 4,906,502 A1990
- Pressurizable envelope and method294US 5,543,194 A1996
- Pressurizable envelope and method284US 5,083,361 A1992
- Air spring damper for vehicle suspension92US 4,934,667 AGeneral Motors Corporation · 1990
- Gas spring apparatus44US 4,880,213 ANHK Spring Co., Ltd. · 1989