A47B 2013/026
Having three or four legs connected in a central knot
Official title: {having three or four legs connected in a central knot}
A47B2013/026 (Having three or four legs connected in a central knot) appears on 35 US grants and 23 published applications in this corpus.
Search patents in A47B- Granted patents
- 35
- Published applications
- 23
- Assignees
- 13
- Inventors
- 51
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 2 |
| 2018 | 3 | 1 |
| 2019 | 2 | 4 |
| 2020 | 1 | 2 |
| 2021 | 2 | 0 |
| 2022 | 1 | 2 |
| 2023 | 4 | 3 |
| 2024 | 2 | 2 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Portable folding outdoor table30 Sep 2025US 12,426,704 B2Yiwu Haoya Culture & Sports Goods Co., Ltd.
- Folding frame and outdoor table or outdoor chair using the folding frame7 Jan 2025US 12,185,831 B2
- Height adjustable platforms and associated mechanisms10 Dec 2024US 12,161,220 B2Ergotron, Inc.
- Frame, more particularly in the form of a tripod16 Jul 2024US 12,038,126 B2
- Height adjustable platforms and associated mechanisms12 Dec 2023US 11,839,294 B2Ergotron, Inc.
- Portable Folding Outdoor Table11 Sep 2025US 2025/0280950 A1Yiwu Haoya Culture & Sports Goods Co., Ltd.
- Height adjustable platforms and associated mechanisms27 Feb 2025US 2025/0064205 A1Ergotron, Inc.
- Multi-tier structure device17 Oct 2024US 2024/0341466 A1
- Height adjustable platforms and associated mechanisms25 Jan 2024US 2024/0023706 A1Ergotron, Inc.
- Folding frame and outdoor table or outdoor chair using the folding frame27 Jul 2023US 2023/0232978 A1
Most cited
By later US patents
- Table with reinforced leg structure29US 4,941,413 ATelescope Casual Furniture, Inc. · 1990
- Table assembly26US 4,003,320 AChampion International Corporation · 1977
- Connector for combination furniture21US 4,351,621 A1982
- Joint for furniture support structure14US 4,540,308 A1985
- Tetrahedral joint for furniture supports12US 6,132,129 A2000