F01L 2009/2125
Shaft and armature construction
Official title: {Shaft and armature construction}
F01L2009/2125 (Shaft and armature construction) appears on 34 US grants and 43 published applications in this corpus.
Search patents in F01L- Granted patents
- 34
- Published applications
- 43
- Assignees
- 19
- Inventors
- 92
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 3 |
| 2004 | 3 | 3 |
| 2005 | 2 | 5 |
| 2006 | 3 | 5 |
| 2007 | 4 | 8 |
| 2008 | 5 | 2 |
| 2009 | 2 | 4 |
| 2010 | 3 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Fast-acting toggling armature uses centring spring9 Dec 2025US 12,494,312 B2Cheesecake Energy Ltd.
- Engine brake system for an internal combustion engine2 Dec 2025US 12,486,807 B1GM Global Technology Operations LLC
- Method and device for electrically controlling a valve actuator in an internal combustion engine22 Feb 2022US 11,255,228 B2Hedman Ericsson Patent AB
- Electrically activated valve actuator for an internal combustion engine15 Feb 2022US 11,248,503 B2Hedman Ericsson Patent AB
- Linear actuator for valve control and operating systems and methods11 May 2021US 11,004,587 B2The Florida State University Research Foundation, Inc.
- Engine brake system for an internal combustion engine4 Dec 2025US 2025/0369398 A1GM Global Technology Operations LLC
- Fast-Acting Toggling Armature Uses Centring Spring11 May 2023US 2023/0141997 A1Cheesecake Energy Ltd.
- Electronic Valve Train Assembly27 Apr 2023US 2023/0127691 A1
- Method and device for electrically controlling a valve actuator in an internal combustion engine18 Nov 2021US 2021/0355848 A1Hedman Ericsson Patent AB
- Electrically activated valve actuator for an internal combustion engine12 Aug 2021US 2021/0246814 A1Hedman Ericsson Patent AB
Most cited
By later US patents
- Method for a throttle-free load control of an internal combustion engine by means of variably controllable cylinder valves56US 5,743,221 AFEV Motorentechnik GmbH · 1998
- Computer readable storage medium for use with engine having variable valve actuator during degradation28US 6,994,061 B2Ford Global Technologies, LLC · 2006
- Computer readable storage medium for use with engine having variable valve actuator9US 6,938,593 B2Ford Global Technologies, LLC · 2005
- Method of correcting valve timing in engine having electromechanical valve actuation8US 6,871,617 B1Ford Global Technologies, LLC · 2005
- Electromagnetic actuating apparatus and system for adjusting a functionality of a motor vehicle assembly8US 9,702,278 B2ETO Magnetic GmbH · 2017