A47C 7/405
With double backrests
Official title: {with double backrests}
A47C7/405 (With double backrests) appears on 229 US grants and 176 published applications in this corpus.
Search patents in A47C- Granted patents
- 229
- Published applications
- 176
- Assignees
- 112
- Inventors
- 350
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 11 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 6 | 4 |
| 2003 | 2 | 7 |
| 2004 | 3 | 6 |
| 2005 | 7 | 8 |
| 2006 | 6 | 9 |
| 2007 | 6 | 7 |
| 2008 | 7 | 12 |
| 2009 | 4 | 8 |
| 2010 | 4 | 11 |
| 2011 | 8 | 14 |
| 2012 | 7 | 9 |
| 2013 | 7 | 3 |
| 2014 | 7 | 9 |
| 2015 | 5 | 4 |
| 2016 | 4 | 6 |
| 2017 | 8 | 7 |
| 2018 | 6 | 6 |
| 2019 | 7 | 7 |
| 2020 | 4 | 5 |
| 2021 | 8 | 4 |
| 2022 | 2 | 5 |
| 2023 | 8 | 6 |
| 2024 | 2 | 8 |
| 2025 | 8 | 6 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chairback structure capable of providing dynamic support for users in different sitting postures9 Jun 2026US 12,648,649 B2Newtral Furniture Technology Inc.
- Chair having an adjustable seat and back12 May 2026US 12,622,525 B1King Saud University
- Adjustable multi-use chair28 Apr 2026US 12,611,037 B2Newtral Furniture Technology Inc.
- Locker with air conditioning system in hinge bar18 Nov 2025US 12,471,703 B1AIM Design, LLC
- Motor vehicle with seat assembly divided into several, singulary adjustable portions21 Oct 2025US 12,447,872 B2Ferrari S.P. A.
- Adjustable waist support cushion11 Jun 2026US 2026/0157523 A1Guangzhou Youxiang Cultural Supplies Co.,Ltd
- Multi-functional and multimodal ergonomic/therapeutic chair and interface system11 Jun 2026US 2026/0157527 A1
- Conveniently adjustable seat backrest structure5 Feb 2026US 2026/0033637 A1
- Chairback structure capable of providing dynamic support for users in different sitting postures15 Jan 2026US 2026/0013637 A1Newtral Furniture Technology Inc.
- Switching amplifier circuitry1 Jan 2026US 2026/0005658 A1Cirrus Logic International Semiconductor Ltd.
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
- Seating structure and methods for the use thereof154US 8,210,611 B2Herman Miller, Inc. · 2012
- Chair135US 6,257,665 B1Okamura Corporation · 2001