A47C 1/00
Chairs adapted for special purposes
Official title: Chairs adapted for special purposes (chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs, A61G5/00; operating chairs or dental chairs A61G15/00)
A47C1/00 (Chairs adapted for special purposes) appears on 4,438 US grants and 3,737 published applications in this corpus.
Search patents in A47C- Granted patents
- 4,438
- Published applications
- 3,737
- Assignees
- 1,419
- Inventors
- 5,575
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 32 | 0 |
| 1977 | 28 | 0 |
| 1978 | 35 | 0 |
| 1979 | 20 | 0 |
| 1980 | 30 | 0 |
| 1981 | 21 | 0 |
| 1982 | 22 | 0 |
| 1983 | 36 | 0 |
| 1984 | 29 | 0 |
| 1985 | 40 | 0 |
| 1986 | 33 | 0 |
| 1987 | 58 | 0 |
| 1988 | 48 | 0 |
| 1989 | 63 | 0 |
| 1990 | 53 | 0 |
| 1991 | 58 | 0 |
| 1992 | 60 | 0 |
| 1993 | 53 | 0 |
| 1994 | 85 | 0 |
| 1995 | 63 | 0 |
| 1996 | 77 | 0 |
| 1997 | 64 | 0 |
| 1998 | 75 | 0 |
| 1999 | 109 | 0 |
| 2000 | 115 | 0 |
| 2001 | 76 | 25 |
| 2002 | 78 | 99 |
| 2003 | 110 | 92 |
| 2004 | 101 | 102 |
| 2005 | 101 | 120 |
| 2006 | 78 | 114 |
| 2007 | 72 | 107 |
| 2008 | 63 | 113 |
| 2009 | 72 | 107 |
| 2010 | 93 | 107 |
| 2011 | 72 | 125 |
| 2012 | 81 | 126 |
| 2013 | 77 | 107 |
| 2014 | 104 | 184 |
| 2015 | 165 | 191 |
| 2016 | 155 | 189 |
| 2017 | 180 | 184 |
| 2018 | 150 | 199 |
| 2019 | 200 | 211 |
| 2020 | 205 | 217 |
| 2021 | 184 | 179 |
| 2022 | 164 | 172 |
| 2023 | 173 | 156 |
| 2024 | 132 | 209 |
| 2025 | 136 | 176 |
| 2026 | 109 | 126 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Functional chair for posture correction and lumbar traction6 Oct 2026US 12,751,885 B2
- Air couch bed6 Oct 2026US 12,752,882 B2Team Worldwide Corporation
- Seat6 Oct 2026US D1,150,944 S1Humanscale Corporation · Design
- Deployable chair29 Sep 2026US 12,745,847 B2
- Seating assembly having lower leg support29 Sep 2026US 12,746,866 B2Ford Global Technologies, LLC
- Stadium seat modular base frame with flex width8 Oct 2026US 2026/0305826 A1Toyota Boshoku America, Inc.
- Dielectric hanging seat8 Oct 2026US 2026/0306883 A1
- Modular wall8 Oct 2026US 2026/0308908 A1Telescopic Seating Systems, LLC
- Locker with Reclining Seat and Roll-Up Door1 Oct 2026US 2026/0294101 A1AIM Design, LLC
- Multi Pivot Tilting Seat Support Structure1 Oct 2026US 2026/0294105 A1Levitask
Most cited
By later US patents
- Chair with novel seat construction283US 5,871,258 ASteelcase Inc. · 1999
- Lumbar support for a chair266US 6,572,190 B2HON Technology Inc. · 2003
- Woven fabric membrane for a seating surface256US 6,035,901 AHerman Miller, Inc. · 2000
- Office chair249US 6,059,368 AHerman Miller, Inc. · 2000
- Lumbar device238US 6,394,546 B1Steelcase Development Corporation · 2002