A47C 27/0456
Use of stiffening sheets, lattices or grids in, on, or under, spring
Official title: {Use of stiffening sheets, lattices or grids in, on, or under, spring inlays}
A47C27/0456 (Use of stiffening sheets, lattices or grids in, on, or under, spring) appears on 47 US grants and 62 published applications in this corpus.
Search patents in A47C- Granted patents
- 47
- Published applications
- 62
- Assignees
- 24
- Inventors
- 50
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 3 |
| 2006 | 2 | 1 |
| 2007 | 2 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 3 |
| 2017 | 0 | 0 |
| 2018 | 3 | 2 |
| 2019 | 3 | 5 |
| 2020 | 3 | 1 |
| 2021 | 3 | 4 |
| 2022 | 1 | 1 |
| 2023 | 2 | 5 |
| 2024 | 3 | 12 |
| 2025 | 8 | 12 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Elastic connection structure, row of springs, elastic mattress, and method for using elastic mattress15 Sep 2026US 12,733,749 B2
- Pocketed spring assembly having dimensionally stabilizing substrate25 Aug 2026US 12,714,236 B2L&P Property Management Company
- Pocketed spring assembly having dimensionally stabilizing substrate25 Aug 2026US 12,714,237 B2L&P Property Management Company
- Mattress spring core2 Jun 2026US 12,642,361 B2Inter IKEA Systems B.V.
- Spring module and spring cushion for furniture19 May 2026US 12,628,960 B2New-Tec Integration (Xiamen) Co., Ltd.
- Spring module and spring cushion for furniture16 Jul 2026US 2026/0198698 A1New-Tec Integration (Xiamen) Co., Ltd.
- Cushions including buckling columns with a plurality of buckling points15 Jan 2026US 2026/0013646 A1
- Bedding components including additively manufactured polymeric lattice structures13 Nov 2025US 2025/0344876 A1Dreamwell, Ltd.
- Folding mechanism of sofa bed and sofa bed9 Oct 2025US 2025/0311852 A1
- Fixing structure for cushion layer of sofa bed and sofa bed9 Oct 2025US 2025/0311861 A1
Most cited
By later US patents
- Mattress25US 4,180,877 ALeggett & Platt, Incorporated · 1980
- Heat and flame-resistant materials and upholstered articles incorporating same20US 7,150,059 B2Precision Fabrics Group, Inc. · 2006
- Heat and flame-resistant materials and upholstered articles incorporating same19US 7,225,487 B2Precision Fabrics Group, Inc. · 2007
- Mattress for use on a bed and settee18US 4,476,595 AFrance Bed Co., Ltd. · 1984
- Furniture construction with elastic or spring modules14US 10,869,559 B2New-Tec Integration (Xiamen) Co., Ltd. · 2020