A47C 23/0522
Using metal wires
Official title: {using metal wires}
A47C23/0522 (Using metal wires) appears on 11 US grants and 12 published applications in this corpus.
Search patents in A47C- Granted patents
- 11
- Published applications
- 12
- Assignees
- 7
- Inventors
- 18
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 3 |
| 2025 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Open coil spring assemblies26 Aug 2025US 12,398,775 B2Sealy Technology, LLC
- Open coil spring assemblies12 Aug 2025US 12,385,542 B2Sealy Technology, LLC
- Open coil spring assemblies5 Nov 2024US 12,135,066 B2Sealy Technology, LLC
- Open coil spring assemblies21 Mar 2023US 11,608,869 B1
- Open coil spring assemblies22 Aug 2024US 2024/0280154 A1Sealy Technology, LLC
- Open coil spring assemblies22 Aug 2024US 2024/0280155 A1Sealy Technology, LLC
- Open coil spring assemblies22 Aug 2024US 2024/0280156 A1Sealy Technology, LLC
- Open coil spring assemblies9 Mar 2023US 2023/0072656 A1Sealy Technology, LLC
- Open coil spring assemblies9 Mar 2023US 2023/0076379 A1
Most cited
By later US patents
- Mattress having a spring unit with a single upper peripheral border rod locked within a chamber of a synthetic foam plastic material housing12US 7,870,626 B2Spring Air International LLC · 2011
- Low density spring assembly and method of making low density spring assemblies9US 6,324,711 B1L&P Property Management Company · 2001
- Bent wire spring module with lock5US 4,828,233 AWebster Spring Co. Inc. · 1989
- Mattress having a zoned spring unit with firmness indicating zones formed by a multiple colored top panel5US 7,992,242 B2American Bedding Industries · 2011
- Open coil spring assemblies1US 11,480,228 B2Sealy Technology, LLC · 2022