A47C 27/005
Liquid-impermeable
Official title: {liquid-impermeable}
A47C27/005 (Liquid-impermeable) appears on 126 US grants and 150 published applications in this corpus.
Search patents in A47C- Granted patents
- 126
- Published applications
- 150
- Assignees
- 93
- Inventors
- 252
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 6 |
| 2003 | 2 | 5 |
| 2004 | 4 | 6 |
| 2005 | 3 | 7 |
| 2006 | 6 | 5 |
| 2007 | 4 | 11 |
| 2008 | 1 | 6 |
| 2009 | 4 | 5 |
| 2010 | 1 | 5 |
| 2011 | 4 | 8 |
| 2012 | 4 | 8 |
| 2013 | 5 | 3 |
| 2014 | 3 | 4 |
| 2015 | 2 | 8 |
| 2016 | 3 | 10 |
| 2017 | 7 | 9 |
| 2018 | 3 | 5 |
| 2019 | 3 | 5 |
| 2020 | 8 | 9 |
| 2021 | 2 | 4 |
| 2022 | 2 | 3 |
| 2023 | 3 | 3 |
| 2024 | 2 | 5 |
| 2025 | 4 | 5 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Adjustable base element for furniture for lying on, and furniture for lying on21 Jul 2026US 12,685,395 B2Bett1.De GmbH
- Mattress protector24 Mar 2026US 12,582,240 B2
- Cushion storage system18 Nov 2025US 12,471,713 B2Tackle Tops, LLC
- Mattress topper22 Apr 2025US 12,279,699 B2Bedgear, LLC
- Inflatable bed25 Mar 2025US 12,256,844 B2Dongguan Hongyu Plastic Co., Ltd.
- Mattress topper11 Jun 2026US 2026/0157533 A1Bedgear, LLC
- Mattress encasement23 Apr 2026US 2026/0108076 A1
- Mattress Protector Device8 Jan 2026US 2026/0007246 A1
- Cover for a support surface1 Jan 2026US 2026/0000215 A1Umano Medical Inc.
- Ventilated and breathable inflatable bed2 Oct 2025US 2025/0302206 A1Dongguan Hongyu Plastic Co., Ltd.
Most cited
By later US patents
- Thermoplastic material containing absorbent pad or other article232US 4,886,697 AWeyerhaeuser Company · 1989
- Multi-layered support system162US 7,914,611 B2KCI Licensing, Inc. · 2011
- Air-powered low interface pressure support surface157US 6,782,574 B2Span-America Medical Systems, Inc. · 2004
- Disposable orthopedic overmattress for articulated beds134US 4,336,621 A1982
- Multi-layered support system105US 8,118,920 B2KCI Licensing, Inc. · 2012