A47C 27/066
Edge stiffeners
Official title: {Edge stiffeners}
A47C27/066 (Edge stiffeners) appears on 97 US grants and 71 published applications in this corpus.
Search patents in A47C- Granted patents
- 97
- Published applications
- 71
- Assignees
- 45
- Inventors
- 122
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 3 | 4 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 3 | 4 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 6 |
| 2014 | 2 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 2 | 3 |
| 2019 | 3 | 5 |
| 2020 | 2 | 2 |
| 2021 | 3 | 8 |
| 2022 | 5 | 3 |
| 2023 | 6 | 3 |
| 2024 | 1 | 5 |
| 2025 | 4 | 8 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Customized mattress system with hybrid elements6 Oct 2026US 12,751,560 B1Mattai SA
- Pocketed spring assembly having dimensionally stabilizing substrate25 Aug 2026US 12,714,237 B2L&P Property Management Company
- Pocketed springs assembly, mattress and pocketed springs assembly manufacturing method16 Jun 2026US 12,653,326 B2Sleep Brands Limited
- Mattress spring core2 Jun 2026US 12,642,361 B2Inter IKEA Systems B.V.
- Welding apparatus for strings of springs12 May 2026US 12,622,530 B2L&P Property Management Company
- Pocket Spring Mattress With Edge Support2 Jul 2026US 2026/0182747 A1Starsprings AB
- Pocketed comfort layer having mini buckling members14 May 2026US 2026/0130522 A1L&P Property Management Company
- Pocketed Buckling Members Having Nanoparticles14 May 2026US 2026/0130523 A1L&P Property Management Company
- Coiled spring air mattress16 Apr 2026US 2026/0102004 A1
- Method of manufacturing innerspring unit26 Feb 2026US 2026/0054979 A1
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
- Bed mattress having an improved pillow top128US 4,449,261 ASimmons U.S.A. Corporation · 1984
- Cushion or mattress structure78US 5,040,255 ABarber Manufacturing Company, Inc. · 1991
- Mattress border assembly and method of making same64US 5,537,699 AFoamex L.P. · 1996