A47C 21/06
Mattress underlays
A47C21/06 (Mattress underlays) appears on 76 US grants and 93 published applications in this corpus.
Search patents in A47C- Granted patents
- 76
- Published applications
- 93
- Assignees
- 31
- Inventors
- 122
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 4 |
| 2010 | 1 | 2 |
| 2011 | 2 | 3 |
| 2012 | 1 | 7 |
| 2013 | 3 | 2 |
| 2014 | 2 | 2 |
| 2015 | 5 | 13 |
| 2016 | 5 | 5 |
| 2017 | 3 | 8 |
| 2018 | 2 | 11 |
| 2019 | 7 | 8 |
| 2020 | 5 | 3 |
| 2021 | 2 | 6 |
| 2022 | 8 | 2 |
| 2023 | 1 | 2 |
| 2024 | 3 | 4 |
| 2025 | 1 | 3 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Active mattress spinner28 Apr 2026US 12,611,044 B2Levitation Sciences LLC
- Four-in-one mattress management system3 Mar 2026US 12,564,271 B2Levitation Sciences LLC
- Bedstead24 Feb 2026US 12,557,913 B2Sino International Group Limited
- Mattress assemblies including at least one encapsualted panel including a heat absorbing material2 Dec 2025US 12,484,706 B2Dreamwell, Ltd.
- Cooling mattresses, pads or mats, and mattress protectors8 Oct 2024US 12,108,879 B2
- Four-in-one mattress management system9 Jul 2026US 2026/0191336 A1Levitation Sciences LLC
- Sensor strip for use with sleeping systems and anchor for use with sensor strip26 Feb 2026US 2026/0053276 A1Purple Innovation, LLC
- Fixing structure for cushion layer of sofa bed and sofa bed9 Oct 2025US 2025/0311861 A1
- Pneumatic system for adjustable support17 Apr 2025US 2025/0120514 A1Ergomotion, Inc.
- Bedstead13 Mar 2025US 2025/0082105 A1Sino International Group Limited
Most cited
By later US patents