A47C 20/048
By fluid means
Official title: {by fluid means}
A47C20/048 (By fluid means) appears on 101 US grants and 97 published applications in this corpus.
Search patents in A47C- Granted patents
- 101
- Published applications
- 97
- Assignees
- 48
- Inventors
- 209
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 5 |
| 2004 | 5 | 3 |
| 2005 | 2 | 5 |
| 2006 | 3 | 0 |
| 2007 | 1 | 1 |
| 2008 | 2 | 3 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 5 |
| 2019 | 4 | 9 |
| 2020 | 4 | 17 |
| 2021 | 10 | 8 |
| 2022 | 9 | 4 |
| 2023 | 6 | 5 |
| 2024 | 2 | 9 |
| 2025 | 5 | 6 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adjustable support device15 Sep 2026US 12,733,746 B2Sit-Up Limited
- Adjustable sleep system with independent sections28 Apr 2026US 12,611,042 B2
- Patient turning device for a patient support apparatus24 Mar 2026US 12,582,566 B2Stryker Corporation
- Zipper mattress attachment17 Feb 2026US 12,551,024 B2Sleep Number Corporation
- Zipper mattress attachment3 Feb 2026US 12,538,984 B2Sleep Number Corporation
- Self-learning sleep optimization system for ai-driven mattresses23 Jul 2026US 2026/0206981 A1
- Bedding capable of detecting sleeping posture and method thereof25 Jun 2026US 2026/0174257 A1Xiamen Beluga Technology Co., Ltd.
- Air mattress18 Jun 2026US 2026/0165499 A1Paramount Bed Co., Ltd.
- Zipper Mattress Attachment4 Jun 2026US 2026/0150973 A1Sleep Number Corporation
- Zipper Mattress Attachment14 May 2026US 2026/0130519 A1Sleep Number Corporation
Most cited
By later US patents
- Air adjustable bed272US 5,170,522 ASelect Comfort Corporation · 1992
- Hand-held controller for bed and mattress assembly201US 6,008,598 APaTMarK Company, Inc. · 1999
- Hand-held controller for bed and mattress assembly187US 6,396,224 B1Hill-Rom Services, Inc. · 2002
- Support appliance for mounting on a standard hospital bed150US 4,525,885 AMediscus Products Limited · 1985
- Body supporting apparatus123US 4,941,221 A1990