E05B 81/50
Powered actuators with automatic return to the neutral position by non-powered means
Official title: Powered actuators with automatic return to the neutral position by non-powered means, e.g. by springs
E05B81/50 (Powered actuators with automatic return to the neutral position by non-powered means) appears on 35 US grants and 41 published applications in this corpus.
Search patents in E05B- Granted patents
- 35
- Published applications
- 41
- Assignees
- 26
- Inventors
- 78
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 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 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 4 |
| 2019 | 1 | 3 |
| 2020 | 0 | 1 |
| 2021 | 4 | 5 |
| 2022 | 4 | 4 |
| 2023 | 3 | 3 |
| 2024 | 3 | 4 |
| 2025 | 3 | 5 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Access control device, access control system, door portion having an access control device, and method for opening a door28 Jul 2026US 12,691,992 B2Lufthansa Technik AG
- Vehicle door latch with double lock function21 Jul 2026US 12,687,050 B2Inteva Products, LLC
- Locking means for a front flap of a motor vehicle19 May 2026US 12,631,055 B2Audi AG
- Motorized locking device for opening/shutting unit24 Feb 2026US 12,560,000 B2Piolax, Inc.
- Decorative element with an actuation mode, vehicle element and vehicle18 Nov 2025US 12,473,758 B2Witte Automotive GmbH
- Actuator device and vehicle door lock device11 Jun 2026US 2026/0160098 A1Mitsui Kinzoku Act Corporation
- Motor vehicle lock26 Mar 2026US 2026/0085552 A1Kiekert AG
- Motor vehicle lock, in particular motor vehicle door lock26 Mar 2026US 2026/0085555 A1Kiekert AG
- Vehicle latch having unidirectional power release function4 Dec 2025US 2025/0369263 A1Magna Closures Inc.
- Key cylinder device for vehicle door25 Sep 2025US 2025/0297501 A1Minebea Accesssolutions Inc.
Most cited
By later US patents
- Automobile door locking apparatus22US 4,779,912 AKabushikikaisha Anseikogyo · 1988
- Power transmitting apparatus16US 4,905,532 AAisin Seiki Kabushiki Kaisha · 1990
- Vehicle door lock housing16US 5,028,084 AAisin Seiki Kabushiki Kaisha · 1991
- Door-locking device15US 5,035,453 AAisin Seiki Kabushiki Kaisha · 1991
- Power door lock device with a spring retracted gear wheel12US 5,106,133 AAisin Seiki Kabushiki Kaisha · 1992