A47C 7/42
Of detachable or loose type
Official title: of detachable {or loose} type
A47C7/42 (Of detachable or loose type) appears on 554 US grants and 504 published applications in this corpus.
Search patents in A47C- Granted patents
- 554
- Published applications
- 504
- Assignees
- 273
- Inventors
- 906
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 15 | 0 |
| 1995 | 6 | 0 |
| 1996 | 14 | 0 |
| 1997 | 10 | 0 |
| 1998 | 18 | 0 |
| 1999 | 7 | 0 |
| 2000 | 13 | 0 |
| 2001 | 7 | 3 |
| 2002 | 9 | 6 |
| 2003 | 12 | 15 |
| 2004 | 14 | 15 |
| 2005 | 8 | 12 |
| 2006 | 8 | 12 |
| 2007 | 7 | 16 |
| 2008 | 10 | 17 |
| 2009 | 3 | 6 |
| 2010 | 7 | 18 |
| 2011 | 8 | 27 |
| 2012 | 11 | 18 |
| 2013 | 18 | 12 |
| 2014 | 6 | 11 |
| 2015 | 18 | 22 |
| 2016 | 22 | 22 |
| 2017 | 20 | 32 |
| 2018 | 12 | 28 |
| 2019 | 23 | 24 |
| 2020 | 24 | 31 |
| 2021 | 28 | 32 |
| 2022 | 23 | 20 |
| 2023 | 20 | 37 |
| 2024 | 24 | 25 |
| 2025 | 23 | 22 |
| 2026 | 17 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Expandable and varied furniture structure6 Oct 2026US 12,751,557 B2Home Creations Inc.
- Inflatable backrest11 Aug 2026US 12,702,235 B2
- Support unit for use on an article of furniture4 Aug 2026US 12,696,981 B2King Furniture Australia Pty Ltd.
- Back brace for sitting4 Aug 2026US 12,697,241 B1Magically Pain Free, LLC
- Tree hunting lower back support assembly and method therefor23 Jun 2026US 12,660,928 B2
- Lumbar support appliance17 Sep 2026US 2026/0272752 A1
- Lumbar support cushion used to maintain pelvic stability and lumbar spine physiological curvature3 Sep 2026US 2026/0256293 A1
- Folding chair23 Jul 2026US 2026/0206972 A1Inno-Sports Co., Ltd.
- Coupling system for chair parts16 Jul 2026US 2026/0198689 A1L&P Property Management Company
- Cushion for postpartum use and the like16 Jul 2026US 2026/0198691 A1
Most cited
By later US patents
- Modular chair construction127US 6,241,317 B12001
- Modular comfort assembly for occupant support121US 7,168,758 B2IGB Automotive Ltd. · 2007
- Modular furniture units110US 3,973,800 A1976
- Combination folding cushion and carrying assembly110US 4,190,918 A1980
- Modular comfort assembly for occupant support110US 7,147,279 B2IGB Automotive Ltd. · 2006