A47C 7/18
Having foamed material included in cushioning part
Official title: having foamed material included in cushioning part
A47C7/18 (Having foamed material included in cushioning part) appears on 458 US grants and 447 published applications in this corpus.
Search patents in A47C- Granted patents
- 458
- Published applications
- 447
- Assignees
- 246
- Inventors
- 752
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 0 |
| 2002 | 7 | 3 |
| 2003 | 5 | 3 |
| 2004 | 2 | 8 |
| 2005 | 3 | 6 |
| 2006 | 3 | 3 |
| 2007 | 2 | 10 |
| 2008 | 3 | 6 |
| 2009 | 4 | 6 |
| 2010 | 5 | 4 |
| 2011 | 2 | 5 |
| 2012 | 2 | 4 |
| 2013 | 1 | 5 |
| 2014 | 2 | 24 |
| 2015 | 26 | 27 |
| 2016 | 20 | 40 |
| 2017 | 23 | 39 |
| 2018 | 27 | 44 |
| 2019 | 36 | 50 |
| 2020 | 44 | 35 |
| 2021 | 27 | 33 |
| 2022 | 22 | 18 |
| 2023 | 23 | 17 |
| 2024 | 16 | 21 |
| 2025 | 17 | 24 |
| 2026 | 10 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Chair25 Aug 2026US 12,714,227 B2Okamura Corporation
- Pocketed spring assembly having dimensionally stabilizing substrate25 Aug 2026US 12,714,236 B2L&P Property Management Company
- Pocketed spring assembly having dimensionally stabilizing substrate25 Aug 2026US 12,714,237 B2L&P Property Management Company
- Skin-foam architecture for seating11 Aug 2026US 12,702,233 B2Tesla, Inc.
- Welding apparatus for strings of springs12 May 2026US 12,622,530 B2L&P Property Management Company
- Branded Modular Seat10 Sep 2026US 2026/0262844 A1Encouraging Arts, Inc.
- Seat pad10 Sep 2026US 2026/0265442 A1Inoac Corporation
- Triple-layer rain shield cushion27 Aug 2026US 2026/0248290 A1Ohanadepot, Inc.
- Cushion device6 Aug 2026US 2026/0224033 A1
- Hybrid structure having suspension quality4 Jun 2026US 2026/0150977 A1Tetro Ltd.
Most cited
By later US patents
- Multi-layer cushion and cover194US 6,901,617 B2Roho, Inc. · 2005
- Foam seat with insert137US 5,067,772 AMichigan Seat Company · 1991
- Foam seat and back cushions124US 4,522,447 A1985
- Breathable seat117US 7,070,232 B2NHK Spring Co., Ltd. · 2006
- Pressure distribution pad assembly for wheelchairs106US 3,987,507 AEverest & Jennings, Inc. · 1976