A47C 27/0453
Attachment of spring inlays to outer layers
Official title: {Attachment of spring inlays to outer layers}
A47C27/0453 (Attachment of spring inlays to outer layers) appears on 27 US grants and 36 published applications in this corpus.
Search patents in A47C- Granted patents
- 27
- Published applications
- 36
- Assignees
- 19
- Inventors
- 42
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 1 | 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 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 2 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 3 |
| 2021 | 2 | 3 |
| 2022 | 3 | 4 |
| 2023 | 4 | 2 |
| 2024 | 0 | 4 |
| 2025 | 1 | 7 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Elastic module unit, elastic cushion, and furniture22 Sep 2026US 12,740,651 B2
- Mattress spring core2 Jun 2026US 12,642,361 B2Inter IKEA Systems B.V.
- Cover, elastic pad and furniture17 Mar 2026US 12,575,683 B2New-Tec Integration (Xiamen) Co., Ltd.
- Mattresses including gel cushions over coils12 Aug 2025US 12,383,072 B2Purple Innovation, LLC
- Hybrid pillow14 Nov 2023US 11,812,881 B2Sealy Technology, LLC
- Elastic module unit, elastic cushion, and furniture26 Mar 2026US 2026/0083253 A1New-Tec Integration (Xiamen) Co., Ltd.
- Mattresses including spacer fabric and related methods13 Nov 2025US 2025/0344872 A1Purple Innovation, LLC
- Elastic mattress customized by partitioning softness and hardness7 Aug 2025US 2025/0248534 A1
- Elastic mattress having springs19 Jun 2025US 2025/0194811 A1
- Elastic mattress having open-style elastic layer19 Jun 2025US 2025/0194814 A1
Most cited
By later US patents
- Anti-microbial/-allergenic mattress and process of forming thereof18US 6,964,074 B2Mattress Development Company · 2005
- Mattress clip and mattress16US 5,435,026 A1995
- Pocketed spring core14US 6,804,847 B2AGRO Federkernproduktions GmbH · 2004
- System for mounting a mattress cover to a mattress core11US 4,490,866 ATualatin Sleep Products, Inc. · 1985
- Mattresses including spacer fabric and related methods10US 10,881,217 B2Purple Innovation, LLC · 2021