A47C 13/00
Convertible chairs, stools or benches
Official title: Convertible chairs, stools or benches (step-stools requiring conversion between the step and seat functions A47C12/02)
A47C13/00 (Convertible chairs, stools or benches) appears on 707 US grants and 604 published applications in this corpus.
Search patents in A47C- Granted patents
- 707
- Published applications
- 604
- Assignees
- 328
- Inventors
- 1,127
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 10 | 0 |
| 1978 | 5 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 11 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 12 | 0 |
| 1995 | 9 | 0 |
| 1996 | 12 | 0 |
| 1997 | 14 | 0 |
| 1998 | 14 | 0 |
| 1999 | 18 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 0 |
| 2002 | 7 | 14 |
| 2003 | 9 | 10 |
| 2004 | 16 | 8 |
| 2005 | 8 | 13 |
| 2006 | 11 | 17 |
| 2007 | 10 | 21 |
| 2008 | 9 | 14 |
| 2009 | 8 | 10 |
| 2010 | 6 | 13 |
| 2011 | 10 | 15 |
| 2012 | 8 | 19 |
| 2013 | 9 | 20 |
| 2014 | 23 | 23 |
| 2015 | 19 | 23 |
| 2016 | 21 | 18 |
| 2017 | 22 | 23 |
| 2018 | 18 | 36 |
| 2019 | 34 | 24 |
| 2020 | 26 | 46 |
| 2021 | 37 | 38 |
| 2022 | 39 | 45 |
| 2023 | 42 | 42 |
| 2024 | 34 | 49 |
| 2025 | 34 | 37 |
| 2026 | 29 | 26 |
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.
- 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.
- Expandable and varied furniture structure6 Oct 2026US 12,751,557 B2Home Creations Inc.
- Systems and methods for modular furniture29 Sep 2026US 12,745,849 B2
- Stadium seat modular base frame with flex width8 Oct 2026US 2026/0305826 A1Toyota Boshoku America, Inc.
- Splicing mechanism for seat unit and seat unit17 Sep 2026US 2026/0272180 A1Man Wah Home Furnishings (Huizhou) Co., Ltd.
- Baggage seat device3 Sep 2026US 2026/0256253 A1
- Walking stick chair6 Aug 2026US 2026/0223995 A1Step2Gold Co., Ltd.
- Transformable cart23 Jul 2026US 2026/0208778 A1S.A.T.P
Most cited
By later US patents
- Chair with releasably detachable and interchangeable cushions201US 6,135,562 AVittoria Infanti Valentine · 2000
- Modular chair construction127US 6,241,317 B12001
- Modular furniture units110US 3,973,800 A1976
- Modular furniture110US 4,140,065 A1979
- Modular furniture assembly104US 7,213,885 B2SAC Acquistion LLC · 2007