A47B 57/22
Characterised by shape or orientation of opening
Official title: characterised by shape or orientation of opening, e.g. keyhole-shaped
A47B57/22 (Characterised by shape or orientation of opening) appears on 39 US grants and 32 published applications in this corpus.
Search patents in A47B- Granted patents
- 39
- Published applications
- 32
- Assignees
- 32
- Inventors
- 58
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 2 | 2 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 3 | 2 |
| 2020 | 1 | 4 |
| 2021 | 5 | 3 |
| 2022 | 2 | 2 |
| 2023 | 2 | 3 |
| 2024 | 1 | 3 |
| 2025 | 3 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shelving units utilizing hybrid connection system24 Feb 2026US 12,557,907 B2Taiwan Shin Yeh Enterprise Co., Ltd.
- Storage rack24 Feb 2026US 12,557,908 B2Perfect Site LLC
- Article transport facility11 Nov 2025US 12,466,654 B2Daifuku Co., Ltd.
- Equipment disinfection cabinet26 Aug 2025US 12,396,554 B1PURioLABS, LLC
- Rack systems18 Mar 2025US 12,251,014 B2Pipp Mobile Storage Systems, Inc.
- Storage rack25 Jun 2026US 2026/0174226 A1Perfect Site LLC
- Shelving units utilizing hybrid connection system9 Apr 2026US 2026/0096648 A1Taiwan Shin Yeh Enterprise Co., Ltd.
- Shelf device6 Feb 2025US 2025/0040699 A1Taiwan Shin Yeh Enterprise Co., Ltd.
- Shelving units utilizing hybrid connection system26 Dec 2024US 2024/0423360 A1Taiwan Shin Yeh Enterprise Co., Ltd.
- Rack systems16 May 2024US 2024/0156253 A1Pipp Mobile Storage Systems, Inc.
Most cited
By later US patents
- Method of forming fastening system58US 4,258,464 AM.M.G., Inc. · 1981
- Storage rack corner post58US 5,012,938 AS&K Enterprises, Inc. · 1991
- Safety lock for rack systems39US 5,025,937 AS&K Enterprises, Inc. · 1991
- Shelf assembly35US 4,549,665 ARepublic Steel Corporation · 1985
- Modular low cost pallet and shelf assembly30US 5,979,338 A1999