A47C 31/023
Connecting upholstery to frames
Official title: {connecting upholstery to frames, e.g. by hooks, clips, snap fasteners, clamping means or the like}
A47C31/023 (Connecting upholstery to frames) appears on 321 US grants and 336 published applications in this corpus.
Search patents in A47C- Granted patents
- 321
- Published applications
- 336
- Assignees
- 163
- Inventors
- 571
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 7 | 11 |
| 2003 | 8 | 6 |
| 2004 | 5 | 5 |
| 2005 | 4 | 10 |
| 2006 | 6 | 2 |
| 2007 | 3 | 13 |
| 2008 | 3 | 4 |
| 2009 | 4 | 11 |
| 2010 | 7 | 10 |
| 2011 | 5 | 4 |
| 2012 | 7 | 6 |
| 2013 | 7 | 6 |
| 2014 | 7 | 24 |
| 2015 | 20 | 17 |
| 2016 | 18 | 19 |
| 2017 | 13 | 15 |
| 2018 | 13 | 16 |
| 2019 | 19 | 16 |
| 2020 | 22 | 24 |
| 2021 | 21 | 30 |
| 2022 | 15 | 21 |
| 2023 | 20 | 14 |
| 2024 | 13 | 19 |
| 2025 | 14 | 17 |
| 2026 | 13 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chair18 Aug 2026US 12,708,213 B2Okamura Corporation
- Seat back7 Jul 2026US 12,672,725 B2Toyota Boshoku Kabushiki Kaisha
- Sheet fastener23 Jun 2026US 12,660,941 B2YKK Corporation
- Element for covering a seat support element23 Jun 2026US 12,660,942 B2FAURECIA Sièges d'Automobile
- Chair and frame assembly thereof9 Jun 2026US 12,648,648 B2
- Chair for the sitting of a user10 Sep 2026US 2026/0262853 A1Cerantola S.P.A.
- Cushion body6 Aug 2026US 2026/0224034 A1Toyota Boshoku Kabushiki Kaisha
- Seat9 Jul 2026US 2026/0192719 A1Delta Kogyo Co., Ltd.
- Retainer for attaching a covering material to a structure9 Jul 2026US 2026/0192720 A1YKK Corporation
- Zipper Mattress Attachment4 Jun 2026US 2026/0150973 A1Sleep Number Corporation
Most cited
By later US patents
- Lumbar support for a chair266US 6,572,190 B2HON Technology Inc. · 2003
- Chair back construction231US 6,729,691 B2HON Technology Inc. · 2004
- Chair back and method of assembly203US 6,220,661 B1Steelcase Development Corporation · 2001
- Thin profile integrated suspension and seat trim cover171US 5,013,089 AGeneral Motors Corporation · 1991
- Adjustable lumbar support158US 6,471,294 B1Steelcase Development Corporation · 2002