A47H 23/01
Bottom bars for stretching hanging curtains
Official title: Bottom bars for stretching hanging curtains; Magnets, slide fasteners, or the like to improve closing of curtains
A47H23/01 (Bottom bars for stretching hanging curtains) appears on 38 US grants and 50 published applications in this corpus.
Search patents in A47H- Granted patents
- 38
- Published applications
- 50
- Assignees
- 25
- Inventors
- 93
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 3 |
| 2017 | 3 | 3 |
| 2018 | 2 | 4 |
| 2019 | 1 | 4 |
| 2020 | 2 | 4 |
| 2021 | 1 | 3 |
| 2022 | 3 | 5 |
| 2023 | 2 | 3 |
| 2024 | 5 | 3 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hanging weight structure for a curtain20 Jan 2026US 12,527,424 B2Abo Window Fashion Corp.
- Window treatment hembar1 Oct 2024US 12,104,437 B2Lutron Technology Company LLC
- Window treatment hembar24 Sep 2024US 12,098,596 B2Lutron Technology Company LLC
- Curtain closure device23 Jul 2024US 12,042,077 B2
- Window shade23 Jan 2024US 11,877,685 B2
- Foldable-width curtain18 Jun 2026US 2026/0165524 A1Hangzhou Giputa Clothing Co., Ltd.
- Full-height divider curtain between aircraft cabin passenger suites9 Oct 2025US 2025/0313337 A1Airbus Atlantic
- Window treatment hembar19 Dec 2024US 2024/0418037 A1Lutron Technology Company LLC
- Hanging weight structure for a curtain29 Aug 2024US 2024/0285111 A1Abo Window Fashion Corp.
- Curtain holding device21 Mar 2024US 2024/0090696 A1
Most cited
By later US patents
- Retractable shade with collapsible vanes66US 7,111,659 B2Hunter Douglas Inc. · 2006
- Web securing device59US 4,393,915 A1983
- Shower curtain system53US 6,041,454 A2000
- Multiple panel track system for a window covering assembly32US 6,892,783 B12005
- Zero clearance bracket and headrail31US 6,202,967 B1Rollease, Inc. · 2001