A47C
Chairs
Official title: Chairs; sofas; beds
A47C (Chairs) appears on 24,987 US grants and 21,938 published applications in this corpus.
Search patents in A47C- Granted patents
- 24,987
- Published applications
- 21,938
- Assignees
- 6,921
- Inventors
- 31,684
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 259 | 0 |
| 1977 | 246 | 0 |
| 1978 | 308 | 0 |
| 1979 | 162 | 0 |
| 1980 | 258 | 0 |
| 1981 | 188 | 0 |
| 1982 | 186 | 0 |
| 1983 | 178 | 0 |
| 1984 | 203 | 0 |
| 1985 | 274 | 0 |
| 1986 | 301 | 0 |
| 1987 | 382 | 0 |
| 1988 | 305 | 0 |
| 1989 | 389 | 0 |
| 1990 | 353 | 0 |
| 1991 | 361 | 0 |
| 1992 | 390 | 0 |
| 1993 | 320 | 0 |
| 1994 | 398 | 0 |
| 1995 | 363 | 0 |
| 1996 | 490 | 0 |
| 1997 | 417 | 0 |
| 1998 | 449 | 0 |
| 1999 | 520 | 0 |
| 2000 | 560 | 0 |
| 2001 | 477 | 128 |
| 2002 | 486 | 474 |
| 2003 | 525 | 605 |
| 2004 | 550 | 680 |
| 2005 | 475 | 738 |
| 2006 | 512 | 735 |
| 2007 | 376 | 702 |
| 2008 | 454 | 743 |
| 2009 | 393 | 666 |
| 2010 | 457 | 689 |
| 2011 | 444 | 725 |
| 2012 | 435 | 755 |
| 2013 | 509 | 733 |
| 2014 | 589 | 890 |
| 2015 | 784 | 1031 |
| 2016 | 733 | 1060 |
| 2017 | 778 | 1124 |
| 2018 | 809 | 1071 |
| 2019 | 941 | 1228 |
| 2020 | 1049 | 1193 |
| 2021 | 983 | 1080 |
| 2022 | 828 | 1036 |
| 2023 | 888 | 984 |
| 2024 | 767 | 1058 |
| 2025 | 832 | 1027 |
| 2026 | 653 | 783 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- A47C 7/00Parts, details, or accessories of chairs or stools8,997
- A47C 1/00Chairs adapted for special purposes4,438
- A47C 27/00Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds4,406
- A47C 31/00Details or accessories for chairs, beds, or the like, not provided for3,047
- A47C 3/00Chairs characterised by structural features3,027
- A47C 4/00Foldable, collapsible or dismountable chairs2,520
- A47C 21/00Attachments for beds2,187
- A47C 17/00Sofas1,706
All 19 main groupsShow fewer
- A47C 19/00Bedsteads1,618
- A47C 20/00Head-, foot- or like rests for beds, sofas or the like1,557
- A47C 9/00Stools for specified purposes1,348
- A47C 23/00Spring mattresses with rigid frame or forming part of the bedstead917
- A47C 5/00Chairs of special materials867
- A47C 13/00Convertible chairs, stools or benches707
- A47C 15/00Chairs: other seating furniture631
- A47C 16/00Stand-alone rests or supports for feet, legs, arms, back or head612
- A47C 11/00Benches not otherwise provided for328
- A47C 29/00Nets for protection against insects in connection with chairs or beds210
- A47C 12/00Step-stools151
Recent patents
- Modular chair and method for making said modular chair6 Oct 2026US 12,751,547 B2Dv8 Id S.R.L.
- Chair with sensory feature6 Oct 2026US 12,751,548 B2Krueger International, Inc.
- Seat board of foldable chair and bottom frame thereof6 Oct 2026US 12,751,549 B2
- Chair cover6 Oct 2026US 12,751,550 B2Secretlab SG PTE. LTD.
- U-shaped plate for cushion and seat frame6 Oct 2026US 12,751,552 B2Nanjing Huandatong Electronic Technology Co., Ltd
- Stadium seat modular base frame with flex width8 Oct 2026US 2026/0305826 A1Toyota Boshoku America, Inc.
- Chair8 Oct 2026US 2026/0305827 A1Lifetime Products, Inc.
- Portable folding ground seat with pivot8 Oct 2026US 2026/0305828 A1
- Footrest Positioning and Adjustment Mechanism for Chairs8 Oct 2026US 2026/0305829 A1Hsin Chernq Enterprise Co., Ltd.
- Furniture module connector and method of assembling a modular furniture assembly8 Oct 2026US 2026/0305830 A1Cozey Inc.
Most cited
By later US patents
- Method and apparatus for securing a tarp1,071US 5,168,605 A1992
- Patient safety system with automatically adjusting bed794US 8,723,677 B1Masimo Corporation · 2014
- Patient safety system with automatically adjusting bed517US 9,226,696 B2Masimo Corporation · 2016
- Valve enclosure assembly293US 5,904,172 ASelect Comfort Corporation · 1999
- Feedback system for load bearing surface291US 5,170,364 ABiomechanics Corporation of America · 1992