A47C 31/116
Permeable to liquid or air in a special way
Official title: {permeable to liquid or air in a special way}
A47C31/116 (Permeable to liquid or air in a special way) appears on 36 US grants and 31 published applications in this corpus.
Search patents in A47C- Granted patents
- 36
- Published applications
- 31
- Assignees
- 19
- Inventors
- 70
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 5 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 2 |
| 2022 | 3 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 4 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Protective system for a patient transport apparatus1 Apr 2025US 12,263,126 B2Stryker Corporation
- Portable and compact seat cover and user protector8 Oct 2024US 12,108,883 B2
- Memory foam cushion body and memory foam seat cushion14 May 2024US 11,980,297 B2
- Multilayer covers20 Dec 2022US 11,528,999 B2
- Inflatable product with breathable user interface10 May 2022US 11,324,335 B2Intex Marketing Ltd.
- Child seat protector with back panel14 May 2026US 2026/0131708 A1Macneil IP LLC
- Sex Blanket12 Dec 2024US 2024/0407567 A1
- Surface Covering Material8 Aug 2024US 2024/0263369 A1Asahi Kasei Kabushiki Kaisha
- Protective System For A Patient Transport Apparatus8 Feb 2024US 2024/0041673 A1Stryker Corporation
- Memory foam cushion body and memory foam seat cushion4 Jan 2024US 2024/0000237 A1
Most cited
By later US patents
- Ventilated seat pad117US 6,511,125 B12003
- Breathable protective seat cover83US 5,806,925 A1998
- Absorbent article with tear line guide71US 4,882,213 AWeyerhaeuser Company · 1989
- Bed pad, an automobile seat pad, a pillow or a similar cushionlike item42US 4,924,541 A1990
- Portable folding orthopedic chair37US 4,161,337 A1979