A47H 11/00
Curtain cord appurtenances
A47H11/00 (Curtain cord appurtenances) appears on 26 US grants and 22 published applications in this corpus.
Search patents in A47H- Granted patents
- 26
- Published applications
- 22
- Assignees
- 12
- Inventors
- 39
- Latest grant
- 30 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 4 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 4 | 2 |
| 2015 | 4 | 4 |
| 2016 | 1 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 3 |
| 2020 | 0 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Driving mechanism for curtain cord winding reels30 Nov 2021US 11,187,034 B2Leafy Windoware Co., Ltd.
- Pull-cord control device for curtain without operation cord27 Apr 2021US 10,988,981 B2Leafy Windoware Co., Ltd.
- Spool assembly14 Mar 2017US 9,593,529 B2Centor Design Pty Ltd
- Systems and methods for deployment of curtains7 Mar 2017US 9,585,508 B2ICP Medical, LLC
- Blind pull5 Jul 2016US 9,382,757 B1
- Novel cord retracting-releasing apparatus28 Dec 2023US 2023/0414027 A1
- Intelligent motorized curtain mechanism25 May 2023US 2023/0157474 A1Dongguan Huawei Technology Co., Ltd.
- Curtain drawstring adjustment mechanism24 Oct 2019US 2019/0320838 A1
- Driving mechanism for curtain cord winding reels11 Jul 2019US 2019/0211624 A1Leafy Windoware Co., Ltd.
- Pull-cord control device for curtain without operation cord24 Jan 2019US 2019/0024448 A1Leafy Windoware Co., Ltd.
Most cited
By later US patents
- Window covering cord pull safety device92US 4,909,298 A1990
- Universal mounting track23US 6,532,625 B12003
- Methods and systems for deployment of curtains20US 9,125,509 B2ICP Medical, LLC · 2015
- Systems and methods for deployment of curtains19US 8,479,800 B2ICP Medical, LLC · 2013
- Connector and captive ball incorporating same18US 4,192,044 A1980