A47C 27/053
With only one layer of foamed material
Official title: {with only one layer of foamed material}
A47C27/053 (With only one layer of foamed material) appears on 92 US grants and 133 published applications in this corpus.
Search patents in A47C- Granted patents
- 92
- Published applications
- 133
- Assignees
- 60
- Inventors
- 173
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 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 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 4 |
| 2004 | 2 | 4 |
| 2005 | 4 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 9 |
| 2009 | 2 | 4 |
| 2010 | 1 | 3 |
| 2011 | 0 | 4 |
| 2012 | 4 | 4 |
| 2013 | 5 | 5 |
| 2014 | 1 | 5 |
| 2015 | 2 | 2 |
| 2016 | 4 | 2 |
| 2017 | 0 | 6 |
| 2018 | 2 | 4 |
| 2019 | 5 | 11 |
| 2020 | 8 | 3 |
| 2021 | 7 | 16 |
| 2022 | 2 | 5 |
| 2023 | 8 | 7 |
| 2024 | 6 | 10 |
| 2025 | 9 | 12 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Mattress top panel and mattress assemblies with improved airflow12 May 2026US 12,622,529 B2Tintoria Piana US, Inc.
- Welding apparatus for strings of springs12 May 2026US 12,622,530 B2L&P Property Management Company
- Pocketed spring assembly including cushion pads and buckling members with additives21 Apr 2026US 12,604,993 B2L&P Property Management Company
- Spring module and spring cushion for furniture16 Jul 2026US 2026/0198698 A1New-Tec Integration (Xiamen) Co., Ltd.
- Systems and methods for controlling operations of an article of furniture2 Jul 2026US 2026/0182744 A1Eight Sleep Inc.
- Scrim fire sock and methods of manufacturing same18 Jun 2026US 2026/0165501 A1Purple Innovation, LLC
- Pocketed comfort layer having mini buckling members14 May 2026US 2026/0130522 A1L&P Property Management Company
- Pocketed Buckling Members Having Nanoparticles14 May 2026US 2026/0130523 A1L&P Property Management Company
Most cited
By later US patents
- Jacketed cushioning elements and assemblies thereof in mattresses and upholstery81US 6,347,423 B1Sidhil Technology, LLC · 2002
- Body supporting and cushioning surface for bedding44US 4,042,986 A1977
- Method for forming a foamed innerspring unit42US 5,756,022 ATec Mac S.r.l · 1998
- Unitized thermoplastic foam structures41US 7,082,635 B2Sealy Technology, LLC · 2006
- Ventilated mattress structure36US 5,325,552 A1994