A47C 27/06
Spring inlays or spring units therefor
A47C27/06 (Spring inlays or spring units therefor) appears on 788 US grants and 871 published applications in this corpus.
Search patents in A47C- Granted patents
- 788
- Published applications
- 871
- Assignees
- 258
- Inventors
- 813
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 10 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 9 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 11 | 0 |
| 1998 | 10 | 0 |
| 1999 | 8 | 0 |
| 2000 | 18 | 0 |
| 2001 | 22 | 2 |
| 2002 | 16 | 8 |
| 2003 | 9 | 11 |
| 2004 | 18 | 21 |
| 2005 | 11 | 18 |
| 2006 | 10 | 13 |
| 2007 | 12 | 22 |
| 2008 | 9 | 28 |
| 2009 | 13 | 32 |
| 2010 | 15 | 22 |
| 2011 | 14 | 28 |
| 2012 | 15 | 21 |
| 2013 | 17 | 28 |
| 2014 | 21 | 26 |
| 2015 | 22 | 30 |
| 2016 | 33 | 40 |
| 2017 | 14 | 27 |
| 2018 | 27 | 41 |
| 2019 | 33 | 47 |
| 2020 | 37 | 60 |
| 2021 | 42 | 56 |
| 2022 | 35 | 53 |
| 2023 | 46 | 41 |
| 2024 | 35 | 73 |
| 2025 | 44 | 76 |
| 2026 | 42 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A47C 27/063Wrapped or otherwise protected446
- A47C 27/065Of special shape181
- A47C 27/07Attaching, or interconnecting of, springs in spring inlays157
- A47C 27/062Of different resiliencies131
- A47C 27/066Edge stiffeners97
- A47C 27/061Of adjustable resiliency53
- A47C 27/068Made from a single wire13
- A47C 27/067Of plane meandering type5
Recent patents
- Customized mattress system with hybrid elements6 Oct 2026US 12,751,560 B1Mattai SA
- Apparatus and method for supporting an object22 Sep 2026US 12,740,650 B2
- Elastic module unit, elastic cushion, and furniture22 Sep 2026US 12,740,651 B2
- Partially foam encased pocketed spring assembly8 Sep 2026US 12,727,679 B2L&P Property Management Company
- Elastic support module, elastic pad, and furniture1 Sep 2026US 12,721,448 B2
- A method for making a bow-shaped spring sofa and a bow-shaped spring sofa1 Oct 2026US 2026/0294125 A1Qingdao Shichuanzhoupanshi Furniture Co., Ltd.
- Bed mesh assembly device and bed mesh assembly method1 Oct 2026US 2026/0295713 A1Guangzhou Lianrou Machinery & Equipment Co., Ltd.
- Mattresses including a coil layer and an elastomeric cushioning element24 Sep 2026US 2026/0283374 A1Purple Innovation, LLC
- Mattresses including stacked elastomeric layers and related methods for same17 Sep 2026US 2026/0272185 A1Purple Innovation, LLC
- Nested foam layers in bedding or seating product17 Sep 2026US 2026/0272186 A1L&P Property Management Company
Most cited
By later US patents
- Inflatable mattress with improved border support wall234US 5,642,546 ASelect Comfort Corporation · 1997
- Inflatable mattress with improved border support wall215US 5,765,246 ASelect Comfort Corporation · 1998
- Thermally controllable heating mattress133US 4,423,308 ASimmons U.S.A. Corporation · 1983
- Bed mattress having an improved pillow top128US 4,449,261 ASimmons U.S.A. Corporation · 1984
- Innerspring construction118US 4,578,834 ASimmons U.S.A. Corporation · 1986