A47C 7/52
Of detachable type
Official title: of detachable type
A47C7/52 (Of detachable type) appears on 76 US grants and 68 published applications in this corpus.
Search patents in A47C- Granted patents
- 76
- Published applications
- 68
- Assignees
- 36
- Inventors
- 129
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 2 | 3 |
| 2006 | 2 | 1 |
| 2007 | 1 | 2 |
| 2008 | 2 | 0 |
| 2009 | 0 | 4 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 4 |
| 2015 | 4 | 4 |
| 2016 | 5 | 4 |
| 2017 | 8 | 10 |
| 2018 | 2 | 2 |
| 2019 | 3 | 6 |
| 2020 | 6 | 3 |
| 2021 | 7 | 3 |
| 2022 | 4 | 1 |
| 2023 | 3 | 5 |
| 2024 | 3 | 5 |
| 2025 | 3 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Seat support7 Apr 2026US 12,593,921 B2
- Intercourse facilitating adjustable bench furniture16 Dec 2025US 12,495,907 B2
- Arm supporting air flight comfort system22 Jul 2025US 12,364,620 B1
- Automated task chair27 May 2025US 12,310,502 B2Push Product Design, LLC
- Flexible sling chair with living hinge10 Sep 2024US 12,082,708 B2
- Multifunctional outdoor folding chair with integrated photovoltaic panels and fans18 Jun 2026US 2026/0165488 A1
- Footrest assembly for attachment to a chair23 Oct 2025US 2025/0325110 A1Secretlab SG PTE. LTD.
- Assembly system for attaching an accessory to a furniture item23 Oct 2025US 2025/0325111 A1Secretlab SG PTE. LTD.
- Automated Task Chair11 Jul 2024US 2024/0225287 A1Push Product Design, LLC
- Foldable Bench for Intimate Activity11 Jul 2024US 2024/0225296 A9
Most cited
By later US patents
- Device for use in a kneeling-like sitting position72US 4,767,160 A1988
- Adjustable chair60US 4,109,961 AStokke Fabrikker A/S · 1978
- Ergonomic seating assemblies and methods34US 9,498,066 B2Cramer Inc. · 2016
- Sofa ottoman27US 4,861,101 ASuper Sagless Corporation · 1989
- Adjustable footrest ring for chair25US 9,578,969 B1Dongguan Kentec Office Seating Co., Ltd. · 2017