E06B 9/324
Cord-locks
Official title: Cord-locks {(cord-locks for curtains A47H3/00)}
E06B9/324 (Cord-locks) appears on 148 US grants and 131 published applications in this corpus.
Search patents in E06B- Granted patents
- 148
- Published applications
- 131
- Assignees
- 71
- Inventors
- 208
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 4 |
| 2004 | 2 | 8 |
| 2005 | 4 | 7 |
| 2006 | 3 | 8 |
| 2007 | 4 | 4 |
| 2008 | 2 | 5 |
| 2009 | 2 | 3 |
| 2010 | 2 | 4 |
| 2011 | 1 | 6 |
| 2012 | 3 | 5 |
| 2013 | 5 | 6 |
| 2014 | 5 | 5 |
| 2015 | 10 | 6 |
| 2016 | 6 | 8 |
| 2017 | 7 | 10 |
| 2018 | 2 | 9 |
| 2019 | 7 | 8 |
| 2020 | 8 | 4 |
| 2021 | 5 | 1 |
| 2022 | 4 | 0 |
| 2023 | 1 | 5 |
| 2024 | 3 | 5 |
| 2025 | 1 | 5 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cord lock actuation assembly for a continuous looped operator22 Jul 2025US 12,366,112 B2Springs Window Fashions LP
- Cord winding device with fine adjustment and correction and window blind using same24 Dec 2024US 12,173,556 B2Ching Feng Home Fashions Co., Ltd.
- Cord retractor and window covering having same24 Sep 2024US 12,098,593 B2Nien Made Enterprise Co., Ltd.
- Cord tightening device2 Jan 2024US 11,859,446 B2
- Corded top down and cordless bottom up shade modification kit10 Jan 2023US 11,549,307 B2
- Blind drive device with direction switch18 Jun 2026US 2026/0168321 A1Sts C&B. Co., Ltd.
- Anchor device for an operating element and window shade including the same19 Mar 2026US 2026/0078636 A1Teh Yor Co., Ltd.
- Bead chain holding device for blind12 Mar 2026US 2026/0071489 A1All Wang Limited
- Blind without pull cord and raising device19 Feb 2026US 2026/0049525 A1Fresh Spring International, Inc.
- Tension fixing device4 Dec 2025US 2025/0369281 A1Nien Made Enterprise Co., Ltd.
Most cited
By later US patents
- Control system for architectural coverings with reversible drive and single operating element63US 7,578,334 B2Hunter Douglas Inc. · 2009
- Consumer-adjustable mini-blind56US 4,567,930 ANewell Companies, Inc. · 1986
- Blind apparatus55US 5,553,649 AKabushiki Kaisha Nichibei · 1996
- Combination blind controller54US 5,671,793 AEnwig Corp. · 1997
- Chain pulling device51US 5,137,073 ATeh Yor Industrial Co., Ltd. · 1992