A47C 23/30
Spring mattresses with rigid frame or forming part of the bedstead: using
Official title: using combinations of springs covered by more than one of the groups A47C23/02 - A47C23/12; Frames therefor
A47C23/30 (Spring mattresses with rigid frame or forming part of the bedstead: using) appears on 60 US grants and 29 published applications in this corpus.
Search patents in A47C- Granted patents
- 60
- Published applications
- 29
- Assignees
- 29
- Inventors
- 71
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 2 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 3 |
| 2015 | 0 | 1 |
| 2016 | 4 | 2 |
| 2017 | 1 | 0 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 3 |
| 2024 | 1 | 6 |
| 2025 | 3 | 4 |
| 2026 | 2 | 1 |
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 furniture20 Jan 2026US 12,527,410 B2New-Tec Integration (Xiamen) Co., Ltd.
- Spring module and spring cushion for furniture19 Aug 2025US 12,390,017 B2New-Tec Integration (Xiamen) Co., Ltd.
- Spring module and spring cushion for furniture20 May 2025US 12,303,036 B2New-Tec Integration (Xiamen) Co., Ltd.
- Spring module and spring cushion for furniture4 Mar 2025US 12,239,231 B2New-Tec Integration (Xiamen) Co., Ltd.
- Spring module and spring cushion for furniture16 Jul 2026US 2026/0198698 A1New-Tec Integration (Xiamen) Co., Ltd.
- Spring Mattress and Method for Assembling a Spring Mattress20 Nov 2025US 2025/0351973 A1Adova Group
- Spring module and spring cushion for furniture21 Aug 2025US 2025/0261766 A1New-Tec Integration (Xiamen) Co., Ltd.
- Spring module and spring cushion for furniture29 May 2025US 2025/0169614 A1New-Tec Integration (Xiamen) Co., Ltd.
- Spring module and spring cushion for furniture1 May 2025US 2025/0134271 A1New-Tec Integration (Xiamen) Co., Ltd.
Most cited
By later US patents