A47C 27/142
With projections, depressions or cavities
Official title: {with projections, depressions or cavities}
A47C27/142 (With projections, depressions or cavities) appears on 561 US grants and 577 published applications in this corpus.
Search patents in A47C- Granted patents
- 561
- Published applications
- 577
- Assignees
- 279
- Inventors
- 907
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 10 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 12 | 0 |
| 1992 | 16 | 0 |
| 1993 | 10 | 0 |
| 1994 | 13 | 0 |
| 1995 | 11 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 12 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 14 | 1 |
| 2002 | 5 | 6 |
| 2003 | 8 | 11 |
| 2004 | 11 | 15 |
| 2005 | 5 | 22 |
| 2006 | 11 | 28 |
| 2007 | 7 | 14 |
| 2008 | 13 | 27 |
| 2009 | 12 | 28 |
| 2010 | 18 | 25 |
| 2011 | 14 | 22 |
| 2012 | 11 | 13 |
| 2013 | 12 | 21 |
| 2014 | 16 | 29 |
| 2015 | 21 | 31 |
| 2016 | 18 | 20 |
| 2017 | 18 | 29 |
| 2018 | 17 | 18 |
| 2019 | 13 | 31 |
| 2020 | 18 | 27 |
| 2021 | 22 | 28 |
| 2022 | 14 | 41 |
| 2023 | 20 | 25 |
| 2024 | 14 | 26 |
| 2025 | 21 | 19 |
| 2026 | 21 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cushions with virtual surface contouring15 Sep 2026US 12,733,751 B2Purple Innovation, LLC
- Nested foam layers in bedding or seating product25 Aug 2026US 12,714,238 B2L&P Property Management Company
- Support cushions including foam arches11 Aug 2026US 12,702,238 B2Comfort Revolution, LLC
- Methods and apparatus for furniture protection14 Jul 2026US 12,677,960 B2
- System for lifting and retaining a mattress30 Jun 2026US 12,667,199 B1
- Mattresses including a coil layer and an elastomeric cushioning element24 Sep 2026US 2026/0283374 A1Purple Innovation, LLC
- Adjustable fully upholstered chaise lounger17 Sep 2026US 2026/0272171 A1Era Nouveau, LLC
- Nested foam layers in bedding or seating product17 Sep 2026US 2026/0272186 A1L&P Property Management Company
- Resilient Unit and Method of Manufacture9 Jul 2026US 2026/0191337 A1Hs Products Ltd
- Mat25 Jun 2026US 2026/0174248 A1Toratani Co., Ltd.
Most cited
By later US patents
- Multi-zone support256US 6,202,239 B1Select Comfort Corporation · 2001
- Inflatable mattress with improved border support wall234US 5,642,546 ASelect Comfort Corporation · 1997
- Apparatus for monitoring vital signs having fluid bladder beneath padding228US 8,444,558 B2Bam Labs, Inc. · 2013
- High-profile mattress having an upper low-profile module with an air posturizing sleep surface223US 6,804,848 B1Comfortaire Corporation · 2004
- Inflatable mattress with improved border support wall215US 5,765,246 ASelect Comfort Corporation · 1998