A47C 31/113
Liquid-impermeable
Official title: {liquid-impermeable}
A47C31/113 (Liquid-impermeable) appears on 78 US grants and 112 published applications in this corpus.
Search patents in A47C- Granted patents
- 78
- Published applications
- 112
- Assignees
- 43
- Inventors
- 166
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 3 |
| 2003 | 2 | 3 |
| 2004 | 2 | 3 |
| 2005 | 0 | 2 |
| 2006 | 2 | 1 |
| 2007 | 4 | 4 |
| 2008 | 3 | 3 |
| 2009 | 1 | 4 |
| 2010 | 2 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 3 |
| 2014 | 2 | 2 |
| 2015 | 1 | 4 |
| 2016 | 1 | 7 |
| 2017 | 4 | 7 |
| 2018 | 6 | 9 |
| 2019 | 3 | 4 |
| 2020 | 5 | 14 |
| 2021 | 6 | 8 |
| 2022 | 3 | 4 |
| 2023 | 4 | 8 |
| 2024 | 5 | 10 |
| 2025 | 5 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Infection control filter label30 Dec 2025US 12,507,817 B2Greenwood Marketing, LLC
- Reversible multilayer cover for absorbing and trapping liquids and/or debris29 Apr 2025US 12,284,981 B2Magic Fabric LLC
- Chairs with machine washable and interchangeable covers that simulate permanent upholstery8 Apr 2025US 12,268,308 B2Ruggable LLC
- Protective system for a patient transport apparatus1 Apr 2025US 12,263,126 B2Stryker Corporation
- Protective cover for outdoor apparatus4 Feb 2025US 12,213,596 B2Outer, Inc.
- Infection control filter label14 May 2026US 2026/0130526 A1Greenwood Marketing, LLC
- Chair Cover and Blanket With Detachable Layers8 Jan 2026US 2026/0007250 A1Hanniver Innovations, LLC
- Non-Slip Hygienic Booster Seat Cover8 Jan 2026US 2026/0007251 A1
- Cushion assembly for outdoor furniture23 Oct 2025US 2025/0325108 A1Humble Nature Inc.
- Flood Protection Container Device27 Feb 2025US 2025/0066079 A1
Most cited
By later US patents