A47C 4/021
Connected by slotted joints
Official title: {connected by slotted joints}
A47C4/021 (Connected by slotted joints) appears on 173 US grants and 150 published applications in this corpus.
Search patents in A47C- Granted patents
- 173
- Published applications
- 150
- Assignees
- 84
- Inventors
- 276
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 4 | 4 |
| 2004 | 2 | 1 |
| 2005 | 3 | 5 |
| 2006 | 4 | 1 |
| 2007 | 3 | 2 |
| 2008 | 0 | 5 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 4 |
| 2012 | 2 | 6 |
| 2013 | 6 | 5 |
| 2014 | 6 | 11 |
| 2015 | 8 | 4 |
| 2016 | 7 | 10 |
| 2017 | 8 | 5 |
| 2018 | 5 | 7 |
| 2019 | 6 | 6 |
| 2020 | 10 | 7 |
| 2021 | 4 | 9 |
| 2022 | 7 | 7 |
| 2023 | 8 | 8 |
| 2024 | 5 | 18 |
| 2025 | 12 | 11 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Modular seating assembly and method of assembly thereof6 Oct 2026US 12,751,555 B2Cozey Inc.
- Base and assembly sofa18 Aug 2026US 12,708,208 B2Anji Longwin Furniture Co., Ltd.
- Chair assembly with connection devices and related methods18 Aug 2026US 12,708,209 B2Atleisure LLC
- Detachable and multi-structured fence chair23 Jun 2026US 12,660,924 B2Anji Longwin Furniture Co., Ltd.
- Bench with removable leg3 Sep 2026US 2026/0256296 A1Agna, LLC
- Modular self-locking chair with interlocking joint system23 Jul 2026US 2026/0206971 A1Cipg, LLC
- Coupling system for chair parts16 Jul 2026US 2026/0198689 A1L&P Property Management Company
- Lumbar support chair16 Jul 2026US 2026/0198692 A1
- Sofa assembling connecting structure2 Jul 2026US 2026/0185551 A1
Most cited
By later US patents