A47C 17/13
Seating furniture having non-movable backrest changeable to beds by increasing the available
Official title: {Seating furniture having non-movable backrest} changeable {to beds} by increasing the available {seat} part, e.g. by drawing {seat cushion} forward
A47C17/13 (Seating furniture having non-movable backrest changeable to beds by increasing the available) appears on 95 US grants and 66 published applications in this corpus.
Search patents in A47C- Granted patents
- 95
- Published applications
- 66
- Assignees
- 55
- Inventors
- 147
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 3 | 2 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 3 | 2 |
| 2009 | 1 | 4 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 3 | 2 |
| 2013 | 2 | 2 |
| 2014 | 1 | 3 |
| 2015 | 2 | 3 |
| 2016 | 5 | 4 |
| 2017 | 0 | 3 |
| 2018 | 2 | 4 |
| 2019 | 2 | 3 |
| 2020 | 4 | 5 |
| 2021 | 6 | 2 |
| 2022 | 5 | 4 |
| 2023 | 1 | 2 |
| 2024 | 3 | 4 |
| 2025 | 0 | 4 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Linkage mechanism for three-section sofa bed15 Sep 2026US 12,733,743 B2Jiaxing Rest Furniture & Appliance Co., Ltd.
- Mechanism for articulating convertible furniture14 Jul 2026US 12,677,957 B2American Leather Operations, LLC
- Modular sofa28 Apr 2026US 12,611,040 B2AuGroup Technology Co., Ltd.
- Furniture, convertible from a sofa to a bed10 Mar 2026US 12,569,069 B2Inter IKEA Systems B.V.
- Mechanism for transforming furniture from a sitting position to a lying down position16 Jul 2024US 12,035,808 B2
- Detachable modular sofa7 May 2026US 2026/0123762 A1Anji Longwin Furniture Co., Ltd.
- Sofa30 Apr 2026US 2026/0114627 A1Anji Kaichuang Furniture Co., Ltd.
- Linkage mechanism for three-section sofa bed5 Mar 2026US 2026/0060435 A1Jiaxing Rest Furniture & Appliance Co., Ltd.
- Self-locking mechanism for folding sofa5 Mar 2026US 2026/0060436 A1Jiaxing Rest Furniture & Appliance Co., Ltd.
- Pull-Out Mechanism for Sofa Bed Frame and Sofa Bed Thereof18 Dec 2025US 2025/0380813 A1
Most cited
By later US patents
- Knock-down sofa bed with hinged mattress46US 4,204,287 A1980
- Convertible sofa and method for assembling and disassembling same36US 4,067,073 A1978
- Marine seating apparatus31US 5,913,571 AOutboard Marine Corporation · 1999
- Sofa-platform bed30US 5,101,524 A1992
- Convertible chair for either sitting or lying28US 4,860,393 AHimolla Polstermobelwerk GmbH · 1989