A47C 21/044
With active means
Official title: {with active means, e.g. by using air blowers or liquid pumps}
A47C21/044 (With active means) appears on 397 US grants and 524 published applications in this corpus.
Search patents in A47C- Granted patents
- 397
- Published applications
- 524
- Assignees
- 144
- Inventors
- 639
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 7 | 3 |
| 2003 | 3 | 9 |
| 2004 | 5 | 5 |
| 2005 | 3 | 8 |
| 2006 | 3 | 6 |
| 2007 | 4 | 7 |
| 2008 | 2 | 6 |
| 2009 | 6 | 8 |
| 2010 | 4 | 12 |
| 2011 | 13 | 17 |
| 2012 | 13 | 9 |
| 2013 | 7 | 13 |
| 2014 | 10 | 23 |
| 2015 | 15 | 37 |
| 2016 | 17 | 25 |
| 2017 | 17 | 28 |
| 2018 | 18 | 29 |
| 2019 | 15 | 26 |
| 2020 | 27 | 35 |
| 2021 | 25 | 56 |
| 2022 | 21 | 37 |
| 2023 | 29 | 30 |
| 2024 | 33 | 34 |
| 2025 | 29 | 32 |
| 2026 | 19 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bedding system and method29 Sep 2026US 12,745,854 B2Bedgear, LLC
- Features for determining humidity properties of a bed microclimate8 Sep 2026US 12,727,678 B2Sleep Number Corporation
- Bed having features for determining and modifying temperature of a sleep environment25 Aug 2026US 12,717,362 B2Sleep Number Corporation
- Multi-zone temperature modulation system for bed or blanket23 Jun 2026US 12,660,932 B1Sleep Solutions Inc.
- Controlling a mattress climate-control system based on thermal event23 Jun 2026US 12,660,934 B2Sleep Number Corporation
- Temperature controlled mattress cover with zones24 Sep 2026US 2026/0283369 A1Eight Sleep Inc.
- Temperature controlled mattress cover with biometric data sensors24 Sep 2026US 2026/0283370 A1Eight Sleep Inc.
- Temperature controlled bed device for determining sleep phase24 Sep 2026US 2026/0284350 A1Eight Sleep Inc.
- Temperature controlled bed device for determining user history24 Sep 2026US 2026/0284351 A1Eight Sleep Inc.
- Control apparatus and bed27 Aug 2026US 2026/0248294 A1Paramount Bed Co., Ltd.
Most cited
By later US patents
- Inflatable air cell having combined pneumatically adjusted occupant support and thermal conditioning224US 6,273,810 B1McCord Winn Textron Inc. · 2001
- Apparatus and method for preventing sudden infant death syndrome205US 5,887,304 A1999
- Environmentally-conditioned topper member for beds205US 8,191,187 B2Amerigon Incorporated · 2012
- Climate controlled bed assembly198US 8,181,290 B2Amerigon Incorporated · 2012
- Air conditioned bed175US 8,065,763 B2Amerigon Incorporated · 2011