A47C 5/04
Metal chairs
Official title: Metal chairs, e.g. tubular (rocking chairs having elastic frames made of tubular material A47C3/023)
A47C5/04 (Metal chairs) appears on 370 US grants and 281 published applications in this corpus.
Search patents in A47C- Granted patents
- 370
- Published applications
- 281
- Assignees
- 199
- Inventors
- 509
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 11 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 4 | 5 |
| 2002 | 6 | 5 |
| 2003 | 15 | 28 |
| 2004 | 20 | 18 |
| 2005 | 9 | 11 |
| 2006 | 9 | 17 |
| 2007 | 4 | 10 |
| 2008 | 5 | 3 |
| 2009 | 8 | 4 |
| 2010 | 5 | 11 |
| 2011 | 8 | 6 |
| 2012 | 1 | 7 |
| 2013 | 5 | 3 |
| 2014 | 8 | 6 |
| 2015 | 7 | 15 |
| 2016 | 11 | 14 |
| 2017 | 8 | 9 |
| 2018 | 13 | 11 |
| 2019 | 9 | 9 |
| 2020 | 11 | 19 |
| 2021 | 16 | 18 |
| 2022 | 19 | 20 |
| 2023 | 10 | 7 |
| 2024 | 9 | 14 |
| 2025 | 8 | 5 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A47C 5/06Special adaptation of seat upholstery or fabric for attachment to tubular chairs161
- A47C 5/10Tubular chairs of foldable, collapsible, or dismountable type142
- A47C 5/043Of tubular non-circular cross-section20
- A47C 5/08Tubular chairs having sheathed tubes16
- A47C 5/046Of non-tubular cross-section9
Recent patents
- Seat element5 May 2026US 12,616,306 B2
- Collapsible chair21 Apr 2026US 12,604,983 B2
- Seat comprising a frame and a cover, and method of manufacturing the same31 Mar 2026US 12,588,766 B2F. Smit Holding B.V.
- Convertible platform for supporting a user17 Mar 2026US 12,575,680 B2The ERGO Baby Carrier, Inc.
- Chaise lounge24 Feb 2026US 12,557,911 B2Outer, Inc.
- Rotary chair2 Jul 2026US 2026/0182741 A1Zhejiang Sunshine Leisure Products Co., Ltd.
- Outdoor chair with textilene chair back tension adjusting mechanism25 Jun 2026US 2026/0174240 A1Zhejiang Tianji Leisure Products CO., LTD
- Framework Assembly for Strip Woven Products and Furniture including the Same26 Mar 2026US 2026/0083246 A1Jiaxing Port Quanshun Webbing Co.,Ltd.
- Thru joint for configurable backpack frame chair5 Mar 2026US 2026/0060407 A1
- Seat spreading member for outdoor fixed chair, and outdoor fixed chair5 Mar 2026US 2026/0060429 A1Hangzhou Creative Living Co., Ltd.
Most cited
By later US patents
- Lumbar support for a chair266US 6,572,190 B2HON Technology Inc. · 2003
- Woven fabric membrane for a seating surface256US 6,035,901 AHerman Miller, Inc. · 2000
- Office chair249US 6,059,368 AHerman Miller, Inc. · 2000
- Chair back construction231US 6,729,691 B2HON Technology Inc. · 2004
- Office chair224US 6,386,634 B1Herman Miller, Inc. · 2002