A47C 23/16
Of plane meandering type
Official title: of plane meandering type
A47C23/16 (Of plane meandering type) appears on 15 US grants and 11 published applications in this corpus.
Search patents in A47C- Granted patents
- 15
- Published applications
- 11
- Assignees
- 10
- Inventors
- 20
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 3 |
| 2016 | 2 | 2 |
| 2017 | 3 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Upholstered-furniture arrangement with upholstery-firmness adjustment, and use thereof10 Feb 2026US 12,543,862 B2Sensoo SA
- Iron-framed modular seat20 Jan 2026US 12,527,403 B1
- Adjustable firmness mattress assemblies4 Mar 2025US 12,239,230 B2Dreamwell, Ltd.
- Clip assembly for use holding sinuous springs3 Oct 2017US 9,777,758 B2L&P Property Management Company
- Clip assembly for use holding sinuous springs26 Sep 2017US 9,770,116 B2L&P Property Management Company
- Hook component and sofa backrest assembly7 Aug 2025US 2025/0248531 A1Man Wah Furniture Manufacturing(Shenzhen) Co., Ltd.
- Upholstered-furniture arrangement with upholstery-firmness adjustment, and use thereof18 Jul 2024US 2024/0237830 A1Sensoo SA
- Combined sofa in a steel structure22 Feb 2024US 2024/0057778 A1Chengdu Xiumal Smart Home Co. LTD.
- Adjustable firmness mattress assemblies5 Oct 2023US 2023/0309704 A1Dreamwell, Ltd.
- Clip Assembly For Use Holding Sinuous Springs8 Feb 2018US 2018/0038403 A1L&P Property Management Company
Most cited
By later US patents
- Folding bed frame structure for sofa beds or the like8US 4,523,342 AHickory Springs Manufacturing Company · 1985
- Sinuous wire seat section sofa sleeper8US 5,745,935 AL&P Property Management Company · 1998
- Seat with spring supporting frame7US 5,074,534 AIkeda Bussan Co., Ltd. · 1991
- Sofa sleeper having sinuous spring reinforced shoulder area6US 5,305,479 AL&P Property Management Company · 1994
- Clip assembly for use holding sinuous springs5US 9,427,094 B2L&P Property Management Company · 2016