A47H 3/08
Cord-tensioning devices for curtains with two cords
A47H3/08 (Cord-tensioning devices for curtains with two cords) appears on 4 US grants and 4 published applications in this corpus.
Search patents in A47H- Granted patents
- 4
- Published applications
- 4
- Assignees
- 5
- Inventors
- 8
- Latest grant
- 24 Sep 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 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 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Cord lock guide for blinds24 Sep 2013US 8,539,645 B2Maxxmar Inc.
- Tab release cord tension device21 Sep 2004US 6,792,999 B2Rollease, Inc.
- Tension fixture for a curtain29 Dec 1987US 4,715,583 AK. Bratschi, Silent Gliss
- Reaction support for pulley holddown23 Mar 1976US 3,945,264 ADouglass Manufacturing Company, Inc.
Most cited
By later US patents
- Tab release cord tension device24US 6,792,999 B2Rollease, Inc. · 2004
- Cord lock guide for blinds15US 8,539,645 B2Maxxmar Inc. · 2013
- Reaction support for pulley holddown11US 3,945,264 ADouglass Manufacturing Company, Inc. · 1976
- Tension fixture for a curtain6US 4,715,583 AK. Bratschi, Silent Gliss · 1987