A47C 27/14
Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds
Official title: with foamed material inlays
A47C27/14 (Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds) appears on 1,356 US grants and 1,621 published applications in this corpus.
Search patents in A47C- Granted patents
- 1,356
- Published applications
- 1,621
- Assignees
- 596
- Inventors
- 2,178
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 10 | 0 |
| 1978 | 9 | 0 |
| 1979 | 8 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 10 | 0 |
| 1986 | 8 | 0 |
| 1987 | 18 | 0 |
| 1988 | 8 | 0 |
| 1989 | 14 | 0 |
| 1990 | 15 | 0 |
| 1991 | 21 | 0 |
| 1992 | 22 | 0 |
| 1993 | 15 | 0 |
| 1994 | 19 | 0 |
| 1995 | 18 | 0 |
| 1996 | 14 | 0 |
| 1997 | 15 | 0 |
| 1998 | 15 | 0 |
| 1999 | 15 | 0 |
| 2000 | 20 | 0 |
| 2001 | 25 | 7 |
| 2002 | 17 | 17 |
| 2003 | 19 | 29 |
| 2004 | 25 | 29 |
| 2005 | 16 | 38 |
| 2006 | 14 | 46 |
| 2007 | 12 | 37 |
| 2008 | 23 | 49 |
| 2009 | 17 | 47 |
| 2010 | 30 | 47 |
| 2011 | 24 | 55 |
| 2012 | 21 | 34 |
| 2013 | 27 | 49 |
| 2014 | 27 | 71 |
| 2015 | 46 | 91 |
| 2016 | 43 | 79 |
| 2017 | 52 | 91 |
| 2018 | 51 | 82 |
| 2019 | 54 | 109 |
| 2020 | 85 | 89 |
| 2021 | 81 | 114 |
| 2022 | 48 | 105 |
| 2023 | 82 | 90 |
| 2024 | 64 | 88 |
| 2025 | 82 | 77 |
| 2026 | 52 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A47C 27/15Consisting of two or more layers597
- A47C 27/142With projections, depressions or cavities561
- A47C 27/148Of different resilience423
- A47C 27/20With springs moulded in, or situated in openings in foamed material277
- A47C 27/18In combination with inflatable bodies247
- A47C 27/16Reinforced with sheet-like or rigid elements98
Recent patents
- Temperature regulating foam padding with passive cooling and active heating6 Oct 2026US 12,751,558 B2Variowell Development GmbH
- Mattress with flame barrier cap and related method22 Sep 2026US 12,740,653 B2Tietex International, Ltd.
- Cushions with virtual surface contouring15 Sep 2026US 12,733,751 B2Purple Innovation, LLC
- Partially foam encased pocketed spring assembly8 Sep 2026US 12,727,679 B2L&P Property Management Company
- Chair25 Aug 2026US 12,714,227 B2Okamura Corporation
- Mattresses including gel supports and related methods1 Oct 2026US 2026/0294128 A1Purple Innovation, LLC
- System and a device for a remote controlled firmness adjustable and massager mattress24 Sep 2026US 2026/0283373 A1
- 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
- Mattresses including stacked elastomeric layers and related methods for same17 Sep 2026US 2026/0272185 A1Purple Innovation, LLC
Most cited
By later US patents
- Feedback system for load bearing surface291US 5,170,364 ABiomechanics Corporation of America · 1992
- Air control system for air bed278US 4,897,890 A1990
- Border for air bed260US 4,991,244 A1991
- Multi-zone support256US 6,202,239 B1Select Comfort Corporation · 2001
- System and method for sleep surface adjustment241US 6,397,419 B1Select Comfort Corporation · 2002