A47C 7/20
With reinforcement in the foam layer
Official title: with reinforcement {in the foam layer}
A47C7/20 (With reinforcement in the foam layer) appears on 98 US grants and 80 published applications in this corpus.
Search patents in A47C- Granted patents
- 98
- Published applications
- 80
- Assignees
- 64
- Inventors
- 162
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 3 |
| 2015 | 4 | 3 |
| 2016 | 2 | 9 |
| 2017 | 5 | 8 |
| 2018 | 6 | 10 |
| 2019 | 12 | 17 |
| 2020 | 10 | 7 |
| 2021 | 6 | 4 |
| 2022 | 4 | 0 |
| 2023 | 4 | 2 |
| 2024 | 1 | 3 |
| 2025 | 3 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Welding apparatus for strings of springs12 May 2026US 12,622,530 B2L&P Property Management Company
- Portable seat30 Sep 2025US 12,426,713 B2
- Seat configuration1 Jul 2025US 12,342,944 B2Anthro Form, LLC
- Sectioned pocketed spring assembly11 Mar 2025US 12,245,701 B2L&P Property Management Company
- Memory foam cushion body and memory foam seat cushion14 May 2024US 11,980,297 B2
- Hybrid structure having suspension quality4 Jun 2026US 2026/0150977 A1Tetro Ltd.
- Seat26 Feb 2026US 2026/0054619 A1Toyota Boshoku Kabushiki Kaisha
- Seat cushion and method of assembly6 Nov 2025US 2025/0338964 A1Lear Corporation
- Seat configuration23 Oct 2025US 2025/0325109 A1
- Foam-in-place electro-thermal conversion device18 Sep 2025US 2025/0288115 A1
Most cited
By later US patents
- Reinforced and ventilated seats69US 4,043,544 A1977
- Composite foam chair cushion and method61US 5,499,413 AWestinghouse Electric Corp. · 1996
- Cushioning structure48US 4,432,110 AHarrison & Jones (Brookside) Limited · 1984
- Modular furniture assembly with dual couplers35US 10,123,623 B2The Lovesac Company · 2018
- Seat assembly with foam encapsulated load-supporting fibrous matrix35US 4,702,522 AHoover Universal, Inc. · 1987