A47C 4/42
Having a frame made of metal
Official title: having a frame made of metal
A47C4/42 (Having a frame made of metal) appears on 284 US grants and 260 published applications in this corpus.
Search patents in A47C- Granted patents
- 284
- Published applications
- 260
- Assignees
- 118
- Inventors
- 355
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 6 |
| 2003 | 8 | 8 |
| 2004 | 6 | 9 |
| 2005 | 9 | 6 |
| 2006 | 7 | 9 |
| 2007 | 3 | 7 |
| 2008 | 5 | 6 |
| 2009 | 3 | 5 |
| 2010 | 8 | 16 |
| 2011 | 10 | 11 |
| 2012 | 6 | 8 |
| 2013 | 4 | 5 |
| 2014 | 11 | 13 |
| 2015 | 14 | 9 |
| 2016 | 4 | 7 |
| 2017 | 9 | 14 |
| 2018 | 11 | 11 |
| 2019 | 14 | 14 |
| 2020 | 15 | 12 |
| 2021 | 9 | 17 |
| 2022 | 18 | 14 |
| 2023 | 14 | 10 |
| 2024 | 14 | 12 |
| 2025 | 13 | 20 |
| 2026 | 11 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Modular seating system29 Sep 2026US 12,745,846 B2
- Folding chair15 Sep 2026US 12,733,738 B2Zhejiang Hengfeng Top Leisure Co., Ltd.
- Portable chair8 Sep 2026US 12,727,674 B2YETI Coolers, LLC
- Foldable rocking chair frame and rocking chair14 Jul 2026US 12,677,951 B1Ninghai Jiarun Hardware Co., Ltd.
- Folding chair7 Jul 2026US 12,672,720 B2Guangzhou Gisili Baby Products Co. Limited
- Portable folding ground seat with pivot8 Oct 2026US 2026/0305828 A1
- Folding hammock chair10 Sep 2026US 2026/0262843 A1Dick's Sporting Goods, Inc.
- Foldable rocking chair3 Sep 2026US 2026/0256291 A1Lookout Product Group
- Foldable chair and lap rest3 Sep 2026US 2026/0256292 A1Imam Abdulrahman Bin Faisal University
- Locking and/or safety auto-lock feature for a collapsible frame13 Aug 2026US 2026/0232114 A1Nemo Equipment, Inc.
Most cited
By later US patents