A47C 3/00
Chairs characterised by structural features
Official title: Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats (A47C1/00, A47C4/00 take precedence)
A47C3/00 (Chairs characterised by structural features) appears on 3,027 US grants and 2,273 published applications in this corpus.
Search patents in A47C- Granted patents
- 3,027
- Published applications
- 2,273
- Assignees
- 1,146
- Inventors
- 4,030
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 33 | 0 |
| 1977 | 36 | 0 |
| 1978 | 50 | 0 |
| 1979 | 24 | 0 |
| 1980 | 26 | 0 |
| 1981 | 32 | 0 |
| 1982 | 22 | 0 |
| 1983 | 28 | 0 |
| 1984 | 18 | 0 |
| 1985 | 34 | 0 |
| 1986 | 35 | 0 |
| 1987 | 45 | 0 |
| 1988 | 46 | 0 |
| 1989 | 54 | 0 |
| 1990 | 41 | 0 |
| 1991 | 53 | 0 |
| 1992 | 57 | 0 |
| 1993 | 35 | 0 |
| 1994 | 50 | 0 |
| 1995 | 38 | 0 |
| 1996 | 73 | 0 |
| 1997 | 56 | 0 |
| 1998 | 59 | 0 |
| 1999 | 69 | 0 |
| 2000 | 74 | 0 |
| 2001 | 59 | 21 |
| 2002 | 65 | 68 |
| 2003 | 52 | 63 |
| 2004 | 58 | 68 |
| 2005 | 55 | 64 |
| 2006 | 52 | 71 |
| 2007 | 38 | 65 |
| 2008 | 41 | 63 |
| 2009 | 45 | 61 |
| 2010 | 44 | 56 |
| 2011 | 46 | 78 |
| 2012 | 39 | 82 |
| 2013 | 54 | 71 |
| 2014 | 70 | 100 |
| 2015 | 106 | 127 |
| 2016 | 90 | 105 |
| 2017 | 92 | 116 |
| 2018 | 100 | 115 |
| 2019 | 130 | 142 |
| 2020 | 131 | 138 |
| 2021 | 123 | 110 |
| 2022 | 102 | 99 |
| 2023 | 118 | 114 |
| 2024 | 82 | 98 |
| 2025 | 88 | 92 |
| 2026 | 59 | 86 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A47C 3/02Rocking chairs1,117
- A47C 3/20Chairs or stools with vertically-adjustable seats924
- A47C 3/18Chairs or stools with rotatable seat428
- A47C 3/04Stackable chairs or nesting chairs338
- A47C 3/16Chairs characterised by structural features: of legless type235
- A47C 3/12Chairs characterised by structural features: with shell-shaped seat and back-rest unit192
- A47C 3/14Chairs characterised by structural features: of asymmetrical shape6
Recent patents
- Bath chair6 Oct 2026US 12,751,583 B2
- Hanging chair29 Sep 2026US 12,745,843 B2Foshan Zhuanyi Metal Technology Co., Ltd.
- Hanging seat with adjustable seat surface height29 Sep 2026US 12,745,844 B1Zhejiang Hengfeng Top Leisure Co., Ltd.
- Customizable foldable chair29 Sep 2026US 12,745,845 B2Letsgetout Inc.
- Adaptable seat22 Sep 2026US 12,740,646 B2Omp S.R.L.
- Multi Pivot Tilting Seat Support Structure1 Oct 2026US 2026/0294105 A1Levitask
- Movement device for a seat, such as a seat of an item of seating furniture1 Oct 2026US 2026/0294111 A1RZC Holding B.V.
- Stackable chair sets1 Oct 2026US 2026/0294112 A1
- Pivoting support mechanism for chairs and other structures1 Oct 2026US 2026/0294113 A1Krueger International, Inc.
- Self Leveling Balancing System for Moveable Objects24 Sep 2026US 2026/0283359 A1
Most cited
By later US patents
- Woven fabric membrane for a seating surface256US 6,035,901 AHerman Miller, Inc. · 2000
- Office chair249US 6,059,368 AHerman Miller, Inc. · 2000
- Office chair224US 6,386,634 B1Herman Miller, Inc. · 2002
- Chair provided with a backrest218US 5,102,196 AKokuyo Co., Ltd. · 1992
- Backrest199US 6,588,842 B2Herman Miller, Inc. · 2003