A47C 23/05
Frames therefor
Official title: Frames therefor; Connecting the springs to the frame {; Interconnection of springs, e.g. in spring units}
A47C23/05 (Frames therefor) appears on 128 US grants and 110 published applications in this corpus.
Search patents in A47C- Granted patents
- 128
- Published applications
- 110
- Assignees
- 53
- Inventors
- 132
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 2 |
| 2003 | 1 | 4 |
| 2004 | 3 | 3 |
| 2005 | 2 | 5 |
| 2006 | 1 | 4 |
| 2007 | 1 | 2 |
| 2008 | 1 | 6 |
| 2009 | 3 | 1 |
| 2010 | 3 | 3 |
| 2011 | 4 | 4 |
| 2012 | 1 | 2 |
| 2013 | 0 | 4 |
| 2014 | 3 | 5 |
| 2015 | 5 | 4 |
| 2016 | 6 | 4 |
| 2017 | 3 | 3 |
| 2018 | 3 | 4 |
| 2019 | 2 | 4 |
| 2020 | 4 | 3 |
| 2021 | 2 | 0 |
| 2022 | 6 | 6 |
| 2023 | 1 | 6 |
| 2024 | 4 | 15 |
| 2025 | 7 | 13 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Elastic cushion, additional elastic cushion layer, and furniture17 Mar 2026US 12,575,684 B2
- Spring module and spring cushion for furniture20 Jan 2026US 12,527,410 B2New-Tec Integration (Xiamen) Co., Ltd.
- Open coil spring assemblies26 Aug 2025US 12,398,774 B2Sealy Technology, 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.
- Supporting bottom mattress, elastic mattress, and furniture19 Mar 2026US 2026/0076486 A1Newtec Integration (Xiamen) Co., Ltd.
- Connecting structure for elastic units of sofa bed, elastic layer, and sofa bed9 Oct 2025US 2025/0311853 A1
- Foldable base plate of elastic mattress and elastic mattress9 Oct 2025US 2025/0311854 A1
Most cited
By later US patents
- Constant restoring force support surface53US 6,487,738 B1Offspring, LLC · 2002
- Spring core for a mattress47US 4,817,924 A1989
- Multilayer load bearing structure44US 7,931,257 B2Herman Miller, Inc. · 2011
- High and low profile mattress foundation frames36US 6,134,729 ASealy Technology, LLC · 2000
- Protective member for a vehicle32US 10,029,633 B2Emerson Spalding Phipps · 2018