A47C 1/03283
With fluid springs
Official title: {with fluid springs}
A47C1/03283 (With fluid springs) appears on 63 US grants and 39 published applications in this corpus.
Search patents in A47C- Granted patents
- 63
- Published applications
- 39
- Assignees
- 39
- Inventors
- 102
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 4 |
| 2003 | 3 | 3 |
| 2004 | 2 | 1 |
| 2005 | 3 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 3 |
| 2010 | 2 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 3 |
| 2013 | 0 | 2 |
| 2014 | 2 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 3 |
| 2022 | 3 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 2 |
| 2025 | 3 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shock absorbing structure of an all terrain vehicle seat4 Nov 2025US 12,459,408 B2Zhejiang Qianlang Motorcycle Co., Ltd.
- Gas lift cylinder removal device15 Jul 2025US 12,357,094 B2Anthro Form, LLC
- Adjustment device for a chair with oscillating mechanism8 Jul 2025US 12,349,805 B2Brado S.P.A.
- Compact adjustable reclining mechanism for a theater seating unit with planar back drop7 Mar 2023US 11,596,233 B2L&P Property Management Company
- Chair with return force mechanism22 Feb 2022US 11,253,077 B2Kokuyo Co., Ltd.
- Multi Pivot Tilting Seat Support Structure1 Oct 2026US 2026/0294105 A1Levitask
- Lock spring damper system31 Jul 2025US 2025/0242921 A1B/E Aerospace, Inc.
- Chair10 Jul 2025US 2025/0221534 A1
- Shock Absorbing Structure of an All Terrain Vehicle Seat5 Dec 2024US 2024/0399943 A1Zhejiang Qianjiang Motorcycle Co., Ltd.
- Gas lift cylinder removal device14 Mar 2024US 2024/0081533 A1Anthro Form, LLC
Most cited
By later US patents
- Chair provided with a backrest142US 4,966,411 AKokuyo Co., Ltd. · 1990
- Chair135US 6,257,665 B1Okamura Corporation · 2001
- Chair120US 4,761,033 ADrabert Sohne · 1988
- Chair, especially a reclining chair111US 4,502,729 AGiroflex Entwicklungs AG · 1985
- Synchronous adjusting device for office chairs or the like109US 5,366,274 AWilkhahn Wilkening + Hahne GmbH + Co. · 1994