A47C 1/03266
With adjustable elasticity
Official title: {with adjustable elasticity}
A47C1/03266 (With adjustable elasticity) appears on 275 US grants and 214 published applications in this corpus.
Search patents in A47C- Granted patents
- 275
- Published applications
- 214
- Assignees
- 102
- Inventors
- 321
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 10 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 6 |
| 2002 | 8 | 7 |
| 2003 | 5 | 7 |
| 2004 | 7 | 16 |
| 2005 | 7 | 6 |
| 2006 | 5 | 8 |
| 2007 | 7 | 6 |
| 2008 | 7 | 11 |
| 2009 | 7 | 10 |
| 2010 | 9 | 5 |
| 2011 | 4 | 10 |
| 2012 | 9 | 9 |
| 2013 | 8 | 5 |
| 2014 | 4 | 23 |
| 2015 | 21 | 16 |
| 2016 | 14 | 9 |
| 2017 | 8 | 7 |
| 2018 | 13 | 6 |
| 2019 | 11 | 6 |
| 2020 | 6 | 7 |
| 2021 | 5 | 7 |
| 2022 | 7 | 3 |
| 2023 | 7 | 7 |
| 2024 | 4 | 7 |
| 2025 | 2 | 8 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oscillation mechanism for a chair or an armchair1 Sep 2026US 12,721,442 B2Donati S.p.A.
- Chair tilt system with leaf spring26 May 2026US 12,635,796 B2Fellowes, Inc.
- Ergonomic motion chair24 Mar 2026US 12,582,232 B2Moovlab Inc.
- Flexible support device for chair back tilting24 Feb 2026US 12,557,910 B2Dongguan Kentec Office Seating Co., Ltd.
- Seating arrangement6 Jan 2026US 12,514,369 B2Steelcase Inc.
- Seating arrangement2 Apr 2026US 2026/0090644 A1Steelcase Inc.
- Chair including a leaf spring in contact with a linkage to provide resistance to tilting of a backrest of the chair1 Jan 2026US 2026/0000206 A1
- Support force adjustment assembly and chair2 Oct 2025US 2025/0302199 A1Comfort Office Furniture Co., Ltd Guangdong
- Base frame assembly and chair having the same24 Jul 2025US 2025/0235001 A1Zhongshan Meisihe Furniture Co., Ltd.
- Chair17 Jul 2025US 2025/0228367 A1Okamura Corporation
Most cited
By later US patents
- Back support structure169US 7,249,802 B2Herman Miller, Inc. · 2007
- Split back chair157US 5,249,839 ASteelcase Inc. · 1993
- Back support structure156US 7,841,666 B2Herman Miller, Inc. · 2010
- Seating structure and methods for the use thereof154US 8,210,611 B2Herman Miller, Inc. · 2012
- Support member for a seating structure149US 7,419,222 B2Herman Miller, Inc. · 2008