A47C 17/22
With means for uncovering a previously hidden mattress or similar bed part
Official title: with means for uncovering a previously hidden mattress or similar bed part
A47C17/22 (With means for uncovering a previously hidden mattress or similar bed part) appears on 149 US grants and 63 published applications in this corpus.
Search patents in A47C- Granted patents
- 149
- Published applications
- 63
- Assignees
- 63
- Inventors
- 175
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 10 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 5 |
| 2007 | 3 | 1 |
| 2008 | 3 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 0 |
| 2013 | 2 | 1 |
| 2014 | 1 | 3 |
| 2015 | 4 | 2 |
| 2016 | 4 | 5 |
| 2017 | 2 | 4 |
| 2018 | 1 | 3 |
| 2019 | 2 | 1 |
| 2020 | 4 | 4 |
| 2021 | 1 | 7 |
| 2022 | 6 | 2 |
| 2023 | 3 | 2 |
| 2024 | 2 | 4 |
| 2025 | 1 | 6 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A47C 17/225With hidden separate full size mattress frame unfolded out of the base85
- A47C 17/23The lying down surface partly consisting of one side of the seat29
- A47C 17/24With only one movable part being tiltable about a horizontal axis10
- A47C 17/30Two or more parts being rotatable about a vertical axis3
Recent patents
- Self-locking mechanism for folding sofa28 Jul 2026US 12,690,689 B2Jiaxing Rest Furniture & Appliance Co., Ltd.
- Self-locking mechanism and folding sofa12 May 2026US 12,622,528 B2Jiaxing Rest Furniture & Appliance Co., Ltd.
- Furniture, convertible from a sofa to a bed10 Mar 2026US 12,569,069 B2Inter IKEA Systems B.V.
- Foldable sofa bed3 Mar 2026US 12,564,267 B2Anji Longwin Furniture Co., Ltd.
- Modular sofa16 Sep 2025US 12,414,633 B1Vosson Inc
- Compact folding frame for folding furniture such as a sofa bed and matching folding furniture16 Jul 2026US 2026/0198695 A1
- Linkage mechanism and a folding sofa bed that includes same9 Jul 2026US 2026/0191334 A1Vogue Furniture Direct Inc.
- E-spring furniture products9 Jul 2026US 2026/0191338 A1
- Detachable modular sofa7 May 2026US 2026/0123762 A1Anji Longwin Furniture Co., Ltd.
- Self-locking mechanism for folding sofa5 Mar 2026US 2026/0060436 A1Jiaxing Rest Furniture & Appliance Co., Ltd.
Most cited
By later US patents
- Sleeper sofa with an air mattress252US 6,161,231 ASleepTec, Inc. · 2000
- Air mattress for a sleeper sofa209US 6,108,844 ASleepTec, Inc. · 2000
- Self-inflatable air mattress in a foldable support59US 4,694,515 AParma Corporation · 1987
- Sofa bed with contoured mattress57US 4,447,921 A1984
- Mattress structure49US 4,169,295 A1979