A47C 27/07
Attaching, or interconnecting of, springs in spring inlays
A47C27/07 (Attaching, or interconnecting of, springs in spring inlays) appears on 157 US grants and 191 published applications in this corpus.
Search patents in A47C- Granted patents
- 157
- Published applications
- 191
- Assignees
- 55
- Inventors
- 160
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 4 | 2 |
| 2005 | 0 | 4 |
| 2006 | 2 | 2 |
| 2007 | 2 | 4 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 2 | 3 |
| 2011 | 1 | 0 |
| 2012 | 2 | 3 |
| 2013 | 0 | 2 |
| 2014 | 2 | 5 |
| 2015 | 5 | 7 |
| 2016 | 8 | 10 |
| 2017 | 3 | 4 |
| 2018 | 3 | 7 |
| 2019 | 7 | 11 |
| 2020 | 6 | 12 |
| 2021 | 7 | 11 |
| 2022 | 9 | 10 |
| 2023 | 6 | 10 |
| 2024 | 11 | 24 |
| 2025 | 12 | 37 |
| 2026 | 17 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Spring coil and spring assembly65US 4,726,572 ASealy, Incorporated · 1988
- Mattress spring core with open ended coils53US 4,609,186 ASpuhl AG · 1986
- Spring core for a mattress47US 4,817,924 A1989
- Coil-in coil springs and innersprings42US 7,908,693 B2Sealy Technology, LLC · 2011
- Spring assembly with helical coils of spring wire with unknotted ends31US 4,781,360 AWebster Spring Co. Inc. · 1988