E06B 9/88
For limiting unrolling
Official title: for limiting unrolling
E06B9/88 (For limiting unrolling) appears on 167 US grants and 131 published applications in this corpus.
Search patents in E06B- Granted patents
- 167
- Published applications
- 131
- Assignees
- 94
- Inventors
- 271
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 1 |
| 2002 | 3 | 1 |
| 2003 | 2 | 4 |
| 2004 | 3 | 4 |
| 2005 | 2 | 2 |
| 2006 | 7 | 6 |
| 2007 | 0 | 6 |
| 2008 | 2 | 4 |
| 2009 | 0 | 8 |
| 2010 | 4 | 9 |
| 2011 | 4 | 2 |
| 2012 | 2 | 4 |
| 2013 | 5 | 3 |
| 2014 | 4 | 1 |
| 2015 | 2 | 7 |
| 2016 | 5 | 4 |
| 2017 | 6 | 9 |
| 2018 | 4 | 10 |
| 2019 | 7 | 15 |
| 2020 | 11 | 4 |
| 2021 | 3 | 7 |
| 2022 | 8 | 7 |
| 2023 | 5 | 6 |
| 2024 | 6 | 5 |
| 2025 | 7 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automatic door7 Oct 2025US 12,435,557 B2Bea SA
- Automatic descending structure of roller shade fabric and manually operated roller shade30 Sep 2025US 12,428,907 B1Ningbo Zhenfei Decorated Curtain Co., Ltd.
- Two-screw adjustable position limiting device5 Aug 2025US 12,378,820 B2Ningbo Jieshu Window Coverings Manufacturing Co. Ltd
- Geared motor drive control mechanism27 May 2025US 12,316,195 B2Tsukasa Electric Co., Ltd.
- Limit stop assembly for an architectural-structure covering22 Apr 2025US 12,281,521 B2Hunter Douglas Inc.
- Security profile strip for a door or window of a transportation system26 Mar 2026US 2026/0085821 A1HÜBNER GmbH & Co.KG
- Geared motor drive control mechanism30 Oct 2025US 2025/0337298 A1Tsukasa Electric Co., Ltd.
- Two-screw adjustable position limiting device4 Jul 2024US 2024/0218738 A1Ningbo Jieshu Window Coverings Manufacturing Co. Ltd
- Roller shade assembly13 Jun 2024US 2024/0191570 A1Springs Window Fashions LP
- Decelerating and positioning device for roller shade18 Apr 2024US 2024/0125175 A1
Most cited
By later US patents
- Electrically powered window covering assembly179US 5,793,174 AHunter Douglas Inc. · 1998
- Motor-operated window cover139US 5,467,266 ALutron Electronics Co., Inc. · 1995
- Motorized window shade system127US 6,100,659 ALutron Electronics Co., Inc. · 2000
- Motorized window shade system121US 5,848,634 ALatron Electronics Co. Inc. · 1998
- Method and apparatus for mounting a retractable window covering114US 5,320,154 AHunter Douglas Inc. · 1994