A47C 27/146
On the outside surface of the mattress or cushion
Official title: {on the outside surface of the mattress or cushion}
A47C27/146 (On the outside surface of the mattress or cushion) appears on 310 US grants and 232 published applications in this corpus.
Search patents in A47C- Granted patents
- 310
- Published applications
- 232
- Assignees
- 154
- Inventors
- 514
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 11 | 0 |
| 1992 | 15 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 0 |
| 2002 | 3 | 4 |
| 2003 | 3 | 4 |
| 2004 | 8 | 3 |
| 2005 | 1 | 9 |
| 2006 | 6 | 14 |
| 2007 | 2 | 6 |
| 2008 | 7 | 14 |
| 2009 | 4 | 9 |
| 2010 | 11 | 11 |
| 2011 | 9 | 7 |
| 2012 | 6 | 5 |
| 2013 | 3 | 10 |
| 2014 | 5 | 11 |
| 2015 | 8 | 8 |
| 2016 | 5 | 9 |
| 2017 | 7 | 14 |
| 2018 | 4 | 6 |
| 2019 | 7 | 13 |
| 2020 | 11 | 7 |
| 2021 | 9 | 14 |
| 2022 | 6 | 14 |
| 2023 | 6 | 11 |
| 2024 | 7 | 12 |
| 2025 | 7 | 10 |
| 2026 | 10 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System for lifting and retaining a mattress30 Jun 2026US 12,667,199 B1
- Mattresses including a coil layer and an elastomeric cushioning element23 Jun 2026US 12,660,940 B2Purple Innovation, LLC
- Support cushions including a support insert surrounded by foam rails for directing air flow, methods for controlling surface temperature of same, and methods for manufacturing same26 May 2026US 12,635,806 B2Sealy Technology, LLC
- Mattress with accessible cores26 May 2026US 12,635,809 B2Sleep Number Corporation
- Mattress assemblies including an orthotic layer and processes for forming the same28 Apr 2026US 12,611,048 B2Dreamwell, Ltd.
- Mattresses including a coil layer and an elastomeric cushioning element24 Sep 2026US 2026/0283374 A1Purple Innovation, LLC
- Mat25 Jun 2026US 2026/0174248 A1Toratani Co., Ltd.
- Partitioned foam core and foam mattress7 May 2026US 2026/0123768 A1Guangdong Sweetnight Technical Innovation Co., Ltd.
- Modular mattress30 Apr 2026US 2026/0114635 A1Carpenter Co.
- Core support and mattress using the same5 Mar 2026US 2026/0060443 A1
Most cited
By later US patents
- Inflatable mattress with improved border support wall234US 5,642,546 ASelect Comfort Corporation · 1997
- Inflatable mattress with improved border support wall215US 5,765,246 ASelect Comfort Corporation · 1998
- Mattress overlay with individual foam springs170US 4,901,387 A1990
- Cushion portion for a seat163US 5,106,161 AGrammer AG · 1992
- Ventilated foam cushion158US 5,226,188 A1993