A47C 31/11
For chairs
Official title: for chairs {(for headrests only A47C7/386)}
A47C31/11 (For chairs) appears on 479 US grants and 538 published applications in this corpus.
Search patents in A47C- Granted patents
- 479
- Published applications
- 538
- Assignees
- 221
- Inventors
- 882
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 11 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 1 | 0 |
| 1994 | 14 | 0 |
| 1995 | 3 | 0 |
| 1996 | 11 | 0 |
| 1997 | 14 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 10 | 0 |
| 2001 | 4 | 2 |
| 2002 | 11 | 12 |
| 2003 | 12 | 12 |
| 2004 | 12 | 15 |
| 2005 | 9 | 18 |
| 2006 | 8 | 21 |
| 2007 | 13 | 22 |
| 2008 | 14 | 24 |
| 2009 | 9 | 20 |
| 2010 | 14 | 14 |
| 2011 | 5 | 13 |
| 2012 | 8 | 22 |
| 2013 | 13 | 18 |
| 2014 | 15 | 22 |
| 2015 | 12 | 27 |
| 2016 | 17 | 29 |
| 2017 | 16 | 30 |
| 2018 | 18 | 24 |
| 2019 | 18 | 32 |
| 2020 | 24 | 38 |
| 2021 | 20 | 26 |
| 2022 | 16 | 15 |
| 2023 | 17 | 25 |
| 2024 | 16 | 29 |
| 2025 | 16 | 15 |
| 2026 | 11 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Chair cover6 Oct 2026US 12,751,550 B2Secretlab SG PTE. LTD.
- Customizable foldable chair29 Sep 2026US 12,745,845 B2Letsgetout Inc.
- Cooling seat cover systems and methods29 Sep 2026US 12,745,856 B2
- Multifunctional lounge chair assembly28 Jul 2026US 12,690,686 B2
- Methods and apparatus for furniture protection14 Jul 2026US 12,677,960 B2
- Musical seat body and sofa thereof1 Oct 2026US 2026/0294118 A1Man Wah Industrial Company Limited
- Chair or seat assembly with sensor and illumination14 May 2026US 2026/0130516 A1
- Infection control filter label14 May 2026US 2026/0130526 A1Greenwood Marketing, LLC
- Seat14 May 2026US 2026/0131707 A1Bayerische Motoren Werke Aktiengesellschaft
- Child seat protector with back panel14 May 2026US 2026/0131708 A1Macneil IP LLC
Most cited
By later US patents
- Ventilated seat pad117US 6,511,125 B12003
- Chair having removable cover and cushion100US 6,499,801 B1Steelcase Development Corporation · 2002
- Multilayer supplemental support pad84US 5,010,610 ASpan-America Medical Systems, Inc. · 1991
- Breathable protective seat cover83US 5,806,925 A1998
- Portable cooling pool, beach or car seat mat81US 4,821,354 A1989