A47H 11/06
Cord pulleys
Official title: Cord pulleys {(devices with guiding means and draw cords A47H5/032)}
A47H11/06 (Cord pulleys) appears on 13 US grants and 9 published applications in this corpus.
Search patents in A47H- Granted patents
- 13
- Published applications
- 9
- Assignees
- 8
- Inventors
- 20
- Latest grant
- 30 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 2 |
| 2015 | 2 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Driving mechanism for curtain cord winding reels30 Nov 2021US 11,187,034 B2Leafy Windoware Co., Ltd.
- Spool assembly14 Mar 2017US 9,593,529 B2Centor Design Pty Ltd
- Telescopic traversing system for retractable window treatments20 Oct 2015US 9,161,648 B2Beme International, LLC
- Electronic curtain moving device20 Oct 2015US 9,161,649 B2
- Telescopic traversing system for retractable window treatments30 Dec 2014US 8,919,420 B2Beme International, LLC
- Novel cord retracting-releasing apparatus28 Dec 2023US 2023/0414027 A1
- Curtain drawstring adjustment mechanism24 Oct 2019US 2019/0320838 A1
- Driving mechanism for curtain cord winding reels11 Jul 2019US 2019/0211624 A1Leafy Windoware Co., Ltd.
- Double-drum type curtain drum module4 Jan 2018US 2018/0000273 A1Bao Song Precision Industry Co., Ltd.
- Spool assembly3 Sep 2015US 2015/0247363 A1Centor Design Pty Ltd
Most cited
By later US patents
- Universal mounting track23US 6,532,625 B12003
- Roman style drape pull cord supports10US 4,088,170 A1978
- Telescopic traversing system for retractable window treatments9US 8,708,026 B2Beme International, LLC · 2014
- Electronic curtain moving device8US 9,161,649 B22015
- Curtain cord tensioning device7US 4,846,766 ACope & Timmins Ltd. · 1989