A47C 27/08
Fluid mattresses
A47C27/08 (Fluid mattresses) appears on 2,339 US grants and 2,201 published applications in this corpus.
Search patents in A47C- Granted patents
- 2,339
- Published applications
- 2,201
- Assignees
- 739
- Inventors
- 3,046
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 19 | 0 |
| 1978 | 35 | 0 |
| 1979 | 27 | 0 |
| 1980 | 36 | 0 |
| 1981 | 24 | 0 |
| 1982 | 24 | 0 |
| 1983 | 23 | 0 |
| 1984 | 21 | 0 |
| 1985 | 40 | 0 |
| 1986 | 32 | 0 |
| 1987 | 55 | 0 |
| 1988 | 39 | 0 |
| 1989 | 49 | 0 |
| 1990 | 46 | 0 |
| 1991 | 45 | 0 |
| 1992 | 46 | 0 |
| 1993 | 40 | 0 |
| 1994 | 27 | 0 |
| 1995 | 25 | 0 |
| 1996 | 35 | 0 |
| 1997 | 39 | 0 |
| 1998 | 34 | 0 |
| 1999 | 32 | 0 |
| 2000 | 42 | 0 |
| 2001 | 43 | 13 |
| 2002 | 34 | 33 |
| 2003 | 29 | 53 |
| 2004 | 41 | 59 |
| 2005 | 39 | 64 |
| 2006 | 48 | 69 |
| 2007 | 26 | 59 |
| 2008 | 40 | 82 |
| 2009 | 26 | 41 |
| 2010 | 28 | 53 |
| 2011 | 31 | 65 |
| 2012 | 34 | 48 |
| 2013 | 39 | 66 |
| 2014 | 61 | 102 |
| 2015 | 58 | 102 |
| 2016 | 63 | 105 |
| 2017 | 63 | 113 |
| 2018 | 58 | 94 |
| 2019 | 83 | 122 |
| 2020 | 91 | 106 |
| 2021 | 83 | 152 |
| 2022 | 67 | 97 |
| 2023 | 85 | 118 |
| 2024 | 121 | 140 |
| 2025 | 116 | 136 |
| 2026 | 77 | 109 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Inflatable mattress structure6 Oct 2026US 12,751,559 B1Feng Yi Outdoor Leisure Equipment Enterprise Co., Ltd.
- Customized mattress system with hybrid elements6 Oct 2026US 12,751,560 B1Mattai SA
- Air couch bed6 Oct 2026US 12,752,882 B2Team Worldwide Corporation
- Cushioning elements with pressurizable cells29 Sep 2026US 12,745,855 B2Purple Innovation, LLC
- Vacuum bag with integral customizable head positioner29 Sep 2026US 12,746,160 B1Medtec, Inc.
- Mattress function indicator on graphical user interface for bed8 Oct 2026US 2026/0305831 A1Hill-Rom Services, Inc.
- Initialization Sequences for Cushion Systems8 Oct 2026US 2026/0305832 A1Kalogon, Inc.
- Body Alignment Pillow System8 Oct 2026US 2026/0305833 A1
- Air blowing adjustment apparatus and bedding1 Oct 2026US 2026/0294126 A1Paramount Bed Co., Ltd.
- Air mattress1 Oct 2026US 2026/0294127 A1Paramount Bed Co., Ltd.
Most cited
By later US patents
- Valve enclosure assembly293US 5,904,172 ASelect Comfort Corporation · 1999
- Feedback system for load bearing surface291US 5,170,364 ABiomechanics Corporation of America · 1992
- Interactive air bed290US 6,763,541 B2Select Comfort Corporation · 2004
- Air control system for air bed278US 4,897,890 A1990
- Air control system for air bed275US 4,890,344 A1990