E06B 9/84
Against dropping
Official title: against dropping
E06B9/84 (Against dropping) appears on 83 US grants and 66 published applications in this corpus.
Search patents in E06B- Granted patents
- 83
- Published applications
- 66
- Assignees
- 60
- Inventors
- 142
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 5 |
| 2003 | 3 | 5 |
| 2004 | 3 | 1 |
| 2005 | 0 | 3 |
| 2006 | 7 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 3 |
| 2009 | 2 | 1 |
| 2010 | 3 | 3 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 3 |
| 2015 | 1 | 3 |
| 2016 | 5 | 3 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 4 | 6 |
| 2020 | 2 | 4 |
| 2021 | 3 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 5 |
| 2024 | 0 | 3 |
| 2025 | 6 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Door descent preventing apparatus10 Feb 2026US 12,546,155 B2LG Energy Solution, Ltd.
- Blind lifting device and a blind lifting control module thereof23 Dec 2025US 12,503,913 B2Syncproto Co., Ltd.
- Door operator device and sectional overhead door system with anti-pressure and anti-theft functions16 Dec 2025US 12,497,817 B2
- Rollable wall systems12 Aug 2025US 12,385,319 B2A&C Future, Inc.
- Geared motor drive control mechanism27 May 2025US 12,316,195 B2Tsukasa Electric Co., Ltd.
- Driving device and electric curtain22 Jan 2026US 2026/0020708 A1Lumi United Technology Co., Ltd.
- Geared motor drive control mechanism30 Oct 2025US 2025/0337298 A1Tsukasa Electric Co., Ltd.
- Gap-adjustable, quick non-penetrating installation roller blind23 Oct 2025US 2025/0327359 A1Hangzhou Giputa Clothing Co., Ltd.
- Spring with a monitoring device, system with a door and the spring with the monitoring device, and method therefor15 May 2025US 2025/0154825 A1Efaflex Tor- Und Sicherheitssysteme GmbH & Co. KG
- Door operator device and sectional overhead door system with anti-pressure and anti-theft functions17 Oct 2024US 2024/0344381 A1
Most cited
By later US patents
- Driving system for roll-up shades, blinds, rolling shutters and the like79US 4,417,185 ASomfy SAS · 1983
- Catch device for a roll-up door, grate, grill or the like61US 4,907,679 A1990
- Mechanism for controlling the raising and lowering of a door61US 5,203,392 AAnchuan Corporation · 1993
- Motor-driven roller blind54US 5,540,269 APlumer (Societe Anonyme) · 1996
- Movable barrier operator having cable tension sensor and door lock mechanism52US 6,782,662 B2The Chamberlain Group, Inc. · 2004