A47C 3/12
Chairs characterised by structural features: with shell-shaped seat and back-rest unit
Official title: with shell-shaped seat and back-rest unit, e.g. having arm-rests
A47C3/12 (Chairs characterised by structural features: with shell-shaped seat and back-rest unit) appears on 192 US grants and 148 published applications in this corpus.
Search patents in A47C- Granted patents
- 192
- Published applications
- 148
- Assignees
- 105
- Inventors
- 316
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 2 |
| 2003 | 0 | 3 |
| 2004 | 3 | 2 |
| 2005 | 2 | 5 |
| 2006 | 1 | 1 |
| 2007 | 1 | 5 |
| 2008 | 2 | 2 |
| 2009 | 1 | 3 |
| 2010 | 2 | 1 |
| 2011 | 1 | 6 |
| 2012 | 2 | 7 |
| 2013 | 1 | 7 |
| 2014 | 8 | 3 |
| 2015 | 7 | 4 |
| 2016 | 5 | 10 |
| 2017 | 5 | 3 |
| 2018 | 6 | 14 |
| 2019 | 5 | 10 |
| 2020 | 17 | 10 |
| 2021 | 13 | 10 |
| 2022 | 5 | 8 |
| 2023 | 8 | 8 |
| 2024 | 8 | 8 |
| 2025 | 7 | 6 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Height adjustable battery operated chair3 Sep 2026US 2026/0256289 A1Comfortel Furniture Pty Ltd
- Lumbar support chair16 Jul 2026US 2026/0198692 A1
- Seating furniture with seat, backrest, and swivel mechanism14 May 2026US 2026/0130508 A1Eb-Invent GmbH
- Hanging basket chair frame and hanging basket chair7 May 2026US 2026/0123752 A1AnHui Han Tang Leisure Products Co., LTD.
- Cover For A Swivel Chair7 May 2026US 2026/0123753 A1Amtab Manufacturing Corporation
Most cited
By later US patents
- Chair provided with a backrest218US 5,102,196 AKokuyo Co., Ltd. · 1992
- Chair having a back comprising a plurality of articulated segments191US 4,585,272 ACastelli S.p.A. · 1986
- One-piece shell chair163US 4,529,247 AHerman Miller, Inc. · 1985
- Chair shell with selective back stiffening145US 4,744,603 ASteelcase Inc. · 1988
- Integrated chair and control143US 4,776,633 ASteelcase Inc. · 1988