A47C 7/34
With springs in compression
Official title: with springs in compression, e.g. coiled
A47C7/34 (With springs in compression) appears on 104 US grants and 104 published applications in this corpus.
Search patents in A47C- Granted patents
- 104
- Published applications
- 104
- Assignees
- 60
- Inventors
- 137
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 3 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 3 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 3 | 3 |
| 2016 | 3 | 9 |
| 2017 | 5 | 11 |
| 2018 | 7 | 7 |
| 2019 | 13 | 16 |
| 2020 | 13 | 10 |
| 2021 | 14 | 14 |
| 2022 | 9 | 8 |
| 2023 | 8 | 3 |
| 2024 | 5 | 7 |
| 2025 | 6 | 5 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pocketed spring assembly having dimensionally stabilizing substrate25 Aug 2026US 12,714,236 B2L&P Property Management Company
- Pocketed spring assembly having dimensionally stabilizing substrate25 Aug 2026US 12,714,237 B2L&P Property Management Company
- Welding apparatus for strings of springs12 May 2026US 12,622,530 B2L&P Property Management Company
- Upholstered-furniture arrangement with upholstery-firmness adjustment, and use thereof10 Feb 2026US 12,543,862 B2Sensoo SA
- Cushioning material23 Sep 2025US 12,419,434 B2DavidHugh Limited
- Device providing hold and comfort28 May 2026US 2026/0144378 A1Blue Portance
- Cushion for a seating furniture23 Apr 2026US 2026/0108077 A1Inter IKEA Systems B.V.
- Extendable Sofa18 Dec 2025US 2025/0380811 A1Always Outdoor Furniture Co., Ltd
- Sofa capable of being integrally compressed27 Nov 2025US 2025/0359680 A1Foshan Yefei Furniture Co.,Ltd.
- Kneeling rocking chair14 Aug 2025US 2025/0255414 A1
Most cited
By later US patents
- Seating suspension assembly47US 5,700,060 ALeggett & Platt, Incorporated · 1997
- Chair with oscillating seat40US 6,929,327 B2Pro-Cord S.p.A. · 2005
- Honeycomb-structured sitting cushion27US 10,206,512 B2Bullsone Co., Ltd. · 2019
- Drop-in seat spring unit assembly27US 5,924,682 AL&P Property Management Company · 1999
- Sleep fabric layer with individually pocketed coils19US 9,635,952 B1Hickory Springs Manufacturing Company · 2017