A47C 27/056
With different layers of foamed material
Official title: {with different layers of foamed material}
A47C27/056 (With different layers of foamed material) appears on 149 US grants and 218 published applications in this corpus.
Search patents in A47C- Granted patents
- 149
- Published applications
- 218
- Assignees
- 67
- Inventors
- 230
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 3 |
| 2003 | 1 | 2 |
| 2004 | 2 | 5 |
| 2005 | 4 | 5 |
| 2006 | 2 | 3 |
| 2007 | 3 | 5 |
| 2008 | 3 | 2 |
| 2009 | 4 | 3 |
| 2010 | 6 | 8 |
| 2011 | 2 | 5 |
| 2012 | 1 | 5 |
| 2013 | 4 | 7 |
| 2014 | 2 | 5 |
| 2015 | 4 | 7 |
| 2016 | 4 | 11 |
| 2017 | 3 | 6 |
| 2018 | 8 | 8 |
| 2019 | 13 | 15 |
| 2020 | 11 | 8 |
| 2021 | 8 | 15 |
| 2022 | 9 | 19 |
| 2023 | 16 | 15 |
| 2024 | 7 | 19 |
| 2025 | 13 | 18 |
| 2026 | 16 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Mattresses with comfort and stability zones14 Jul 2026US 12,677,958 B2Blue Bell Mattress Company, LLC
- Mattresses including a coil layer and an elastomeric cushioning element23 Jun 2026US 12,660,940 B2Purple Innovation, LLC
- Mattresses including stacked elastomeric layers and related methods for same9 Jun 2026US 12,648,654 B1Purple Innovation, LLC
- Mattresses with comfort and stability zones1 Oct 2026US 2026/0294124 A1
- Mattresses including a coil layer and an elastomeric cushioning element24 Sep 2026US 2026/0283374 A1Purple Innovation, LLC
- Mattresses including stacked elastomeric layers and related methods for same17 Sep 2026US 2026/0272185 A1Purple Innovation, LLC
- Nested foam layers in bedding or seating product17 Sep 2026US 2026/0272186 A1L&P Property Management Company
- Mattresses including a variable coil layer and an elastomeric cushioning element27 Aug 2026US 2026/0248295 A1Purple Innovation, LLC
Most cited
By later US patents
- Cushions comprising deformable members and related methods75US 8,932,692 B2Edizone, LLC · 2015
- Pressure dispersion support systems50US 7,845,035 B2Sealy Technology, LLC · 2010
- One-sided mattress construction47US 6,243,900 B1Simmons Company · 2001
- No-flip mattress and methods for their construction42US 6,643,876 B2Denver Mattress Co., LLC · 2003
- Unitized thermoplastic foam structures41US 7,082,635 B2Sealy Technology, LLC · 2006