A47C 27/081
Of pneumatic type
Official title: {of pneumatic type}
A47C27/081 (Of pneumatic type) appears on 1,529 US grants and 1,745 published applications in this corpus.
Search patents in A47C- Granted patents
- 1,529
- Published applications
- 1,745
- Assignees
- 530
- Inventors
- 2,111
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 10 | 0 |
| 1978 | 14 | 0 |
| 1979 | 10 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 11 | 0 |
| 1986 | 8 | 0 |
| 1987 | 18 | 0 |
| 1988 | 12 | 0 |
| 1989 | 14 | 0 |
| 1990 | 22 | 0 |
| 1991 | 26 | 0 |
| 1992 | 18 | 0 |
| 1993 | 15 | 0 |
| 1994 | 14 | 0 |
| 1995 | 11 | 0 |
| 1996 | 21 | 0 |
| 1997 | 28 | 0 |
| 1998 | 24 | 0 |
| 1999 | 20 | 0 |
| 2000 | 28 | 0 |
| 2001 | 29 | 9 |
| 2002 | 22 | 26 |
| 2003 | 26 | 44 |
| 2004 | 35 | 48 |
| 2005 | 30 | 48 |
| 2006 | 37 | 60 |
| 2007 | 23 | 53 |
| 2008 | 37 | 75 |
| 2009 | 22 | 31 |
| 2010 | 20 | 39 |
| 2011 | 30 | 48 |
| 2012 | 25 | 36 |
| 2013 | 25 | 51 |
| 2014 | 47 | 73 |
| 2015 | 45 | 72 |
| 2016 | 53 | 78 |
| 2017 | 47 | 81 |
| 2018 | 37 | 69 |
| 2019 | 63 | 99 |
| 2020 | 64 | 84 |
| 2021 | 68 | 116 |
| 2022 | 58 | 78 |
| 2023 | 70 | 96 |
| 2024 | 102 | 122 |
| 2025 | 94 | 115 |
| 2026 | 63 | 94 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Smart mattress22 Sep 2026US 12,740,652 B2Super Rich Moulders Limited
- Air bed having an improved built-in air pump15 Sep 2026US 12,733,750 B2Belgravia Wood Limited
- 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