A47C 4/00
Foldable, collapsible or dismountable chairs
Official title: Foldable, collapsible or dismountable chairs (of tubular metal type A47C5/10)
A47C4/00 (Foldable, collapsible or dismountable chairs) appears on 2,520 US grants and 2,179 published applications in this corpus.
Search patents in A47C- Granted patents
- 2,520
- Published applications
- 2,179
- Assignees
- 922
- Inventors
- 3,374
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 21 | 0 |
| 1978 | 31 | 0 |
| 1979 | 14 | 0 |
| 1980 | 31 | 0 |
| 1981 | 22 | 0 |
| 1982 | 17 | 0 |
| 1983 | 12 | 0 |
| 1984 | 17 | 0 |
| 1985 | 17 | 0 |
| 1986 | 33 | 0 |
| 1987 | 29 | 0 |
| 1988 | 25 | 0 |
| 1989 | 27 | 0 |
| 1990 | 28 | 0 |
| 1991 | 27 | 0 |
| 1992 | 19 | 0 |
| 1993 | 19 | 0 |
| 1994 | 29 | 0 |
| 1995 | 29 | 0 |
| 1996 | 46 | 0 |
| 1997 | 30 | 0 |
| 1998 | 38 | 0 |
| 1999 | 46 | 0 |
| 2000 | 56 | 0 |
| 2001 | 58 | 10 |
| 2002 | 62 | 46 |
| 2003 | 61 | 65 |
| 2004 | 57 | 65 |
| 2005 | 56 | 56 |
| 2006 | 56 | 58 |
| 2007 | 35 | 61 |
| 2008 | 45 | 62 |
| 2009 | 28 | 58 |
| 2010 | 44 | 77 |
| 2011 | 40 | 66 |
| 2012 | 41 | 65 |
| 2013 | 45 | 66 |
| 2014 | 71 | 102 |
| 2015 | 81 | 111 |
| 2016 | 92 | 101 |
| 2017 | 91 | 107 |
| 2018 | 96 | 95 |
| 2019 | 100 | 108 |
| 2020 | 104 | 109 |
| 2021 | 85 | 132 |
| 2022 | 111 | 99 |
| 2023 | 109 | 98 |
| 2024 | 89 | 137 |
| 2025 | 97 | 133 |
| 2026 | 85 | 92 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Modular chair and method for making said modular chair6 Oct 2026US 12,751,547 B2Dv8 Id S.R.L.
- Seat board of foldable chair and bottom frame thereof6 Oct 2026US 12,751,549 B2
- Modular seating assembly and method of assembly thereof6 Oct 2026US 12,751,555 B2Cozey Inc.
- Furnishing composition comprising a plurality of modular modules with variable configuration6 Oct 2026US 12,751,556 B2Arper S.p.A.
- Air couch bed6 Oct 2026US 12,752,882 B2Team Worldwide Corporation
- Chair8 Oct 2026US 2026/0305827 A1Lifetime Products, Inc.
- Portable folding ground seat with pivot8 Oct 2026US 2026/0305828 A1
- Chair with snap-fit assembly1 Oct 2026US 2026/0294114 A1Atec International Team Co., Ltd.
- 3'-utr sequences for stabilization of rna1 Oct 2026US 2026/0297594 A1BioNTech SE
- Improvements in or relating to furniture24 Sep 2026US 2026/0286777 A1
Most cited
By later US patents
- Feedback system for load bearing surface291US 5,170,364 ABiomechanics Corporation of America · 1992
- Inflatable air cell having combined pneumatically adjusted occupant support and thermal conditioning224US 6,273,810 B1McCord Winn Textron Inc. · 2001
- Multi-layer cushion and cover194US 6,901,617 B2Roho, Inc. · 2005
- Process for forming gelatinous elastomer materials183US 6,413,458 B1EdiZONE, LC · 2002
- Stacked cushions177US 7,076,822 B2EdiZONE, LC · 2006