A47B 87/0215
Stackable frames, or frame elements, with upright parts connected by inserting the
Official title: {Stackable frames, or frame elements, with upright parts connected by inserting the ends or tips of the uprights, e.g. at the corners, into the uprights of the next frame or frame element, e.g. coaxial tubular ends}
A47B87/0215 (Stackable frames, or frame elements, with upright parts connected by inserting the) appears on 97 US grants and 73 published applications in this corpus.
Search patents in A47B- Granted patents
- 97
- Published applications
- 73
- Assignees
- 56
- Inventors
- 140
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 0 | 3 |
| 2007 | 1 | 4 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 6 |
| 2012 | 0 | 2 |
| 2013 | 1 | 4 |
| 2014 | 8 | 4 |
| 2015 | 6 | 1 |
| 2016 | 5 | 5 |
| 2017 | 5 | 6 |
| 2018 | 4 | 2 |
| 2019 | 6 | 6 |
| 2020 | 3 | 5 |
| 2021 | 3 | 6 |
| 2022 | 8 | 3 |
| 2023 | 0 | 2 |
| 2024 | 2 | 2 |
| 2025 | 3 | 0 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Multimedia stacker rack84US 5,848,709 ACreative Point, Inc. · 1998
- Modular rack76US 5,676,263 A1997
- Stackable and nestable storage rack71US 4,773,547 A1988
- Free standing adjustable storage system63US 5,752,610 AClairson, Inc. · 1998
- Furniture units with L-shaped panel supports60US 4,163,592 AGeorge Nelson & Company · 1979