A47C 23/002
Spring mattresses with rigid frame or forming part of the bedstead: with
Official title: {with separate resilient support elements, e.g. elastomeric springs arranged in a two-dimensional matrix pattern}
A47C23/002 (Spring mattresses with rigid frame or forming part of the bedstead: with) appears on 185 US grants and 241 published applications in this corpus.
Search patents in A47C- Granted patents
- 185
- Published applications
- 241
- Assignees
- 81
- Inventors
- 251
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 3 |
| 2003 | 3 | 2 |
| 2004 | 4 | 4 |
| 2005 | 2 | 4 |
| 2006 | 3 | 3 |
| 2007 | 2 | 7 |
| 2008 | 3 | 19 |
| 2009 | 4 | 13 |
| 2010 | 9 | 10 |
| 2011 | 7 | 8 |
| 2012 | 4 | 4 |
| 2013 | 1 | 5 |
| 2014 | 4 | 13 |
| 2015 | 10 | 7 |
| 2016 | 12 | 5 |
| 2017 | 9 | 5 |
| 2018 | 5 | 8 |
| 2019 | 5 | 9 |
| 2020 | 7 | 11 |
| 2021 | 7 | 16 |
| 2022 | 9 | 15 |
| 2023 | 6 | 10 |
| 2024 | 9 | 21 |
| 2025 | 12 | 30 |
| 2026 | 9 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Elastic mattress for furniture25 Aug 2026US 12,714,234 B2
- Mattresses including stacked elastomeric layers and related methods for same9 Jun 2026US 12,648,654 B1Purple Innovation, LLC
- Spring module and spring cushion for furniture19 May 2026US 12,628,960 B2New-Tec Integration (Xiamen) Co., Ltd.
- Spring module and spring cushion for furniture28 Apr 2026US 12,611,045 B2
- Apparatus with a repeating trapezoidal mechanism that enables an alternating pressure support surface for preventing pressure injury21 Apr 2026US 12,605,295 B2K Medical LLC
- Mattresses including stacked elastomeric layers and related methods for same17 Sep 2026US 2026/0272185 A1Purple Innovation, LLC
- Storage box and elastic cushion device6 Aug 2026US 2026/0223997 A1New-Tec Integration (Xiamen) Co., Ltd.
- Spring module and spring cushion for furniture16 Jul 2026US 2026/0198698 A1New-Tec Integration (Xiamen) Co., Ltd.
- Part comprising a monolithic architectural lattice structure9 Jul 2026US 2026/0192538 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Elastic module unit, elastic cushion, and furniture26 Mar 2026US 2026/0083253 A1New-Tec Integration (Xiamen) Co., Ltd.
Most cited
By later US patents
- Constant pressure seating system105US 6,092,249 ADEKA Products Limited Partnership · 2000
- Foam spring mattress using a foam containment facility95US 7,841,031 B2Hsiu Chen Liao · 2010
- Foam spring mattress with replaceable foam springs83US 8,181,296 B22012
- Foam spring mattress with replaceable foam springs80US 7,930,783 B22011
- Using a software application to configure a foam spring mattress79US 7,685,663 B22010