F01L 2013/001
Deactivating cylinders
Official title: {Deactivating cylinders}
F01L2013/001 (Deactivating cylinders) appears on 327 US grants and 353 published applications in this corpus.
Search patents in F01L- Granted patents
- 327
- Published applications
- 353
- Assignees
- 56
- Inventors
- 483
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 3 | 0 |
| 2007 | 2 | 10 |
| 2008 | 6 | 7 |
| 2009 | 5 | 2 |
| 2010 | 3 | 2 |
| 2011 | 2 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 3 |
| 2014 | 2 | 8 |
| 2015 | 5 | 14 |
| 2016 | 8 | 28 |
| 2017 | 23 | 40 |
| 2018 | 28 | 40 |
| 2019 | 44 | 38 |
| 2020 | 48 | 44 |
| 2021 | 41 | 36 |
| 2022 | 38 | 29 |
| 2023 | 19 | 18 |
| 2024 | 27 | 15 |
| 2025 | 17 | 9 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable displacement valvetrain systems with rocker shaft porting and insert sleeves for engine cylinder deactivation22 Sep 2026US 12,742,403 B2GM Global Technology Operations LLC
- Method for dynamically determining a firing pattern for an engine with dynamic cylinder activation and a system implementing the method16 Dec 2025US 12,497,928 B2Purdue Research Foundation
- Shutdown control of internal combustion engine comprising lost motion component4 Nov 2025US 12,460,594 B2Jacobs Vehicle Systems, Inc.
- Valve bridge with integrated spline bushing for lost motion and engine brake21 Oct 2025US 12,448,905 B2Eaton Intelligent Power Limited
- Valve actuation system comprising a discrete lost motion device7 Oct 2025US 12,435,649 B2Cummins Inc.
- Cylinder deactivation system25 Jun 2026US 2026/0176991 A1
- Valvetrain systems for cylinder deactivation with recharging and methods thereof7 May 2026US 2026/0125995 A1Eaton Intelligent Power Limited
- Engine, a method of operating an engine, and a controller12 Mar 2026US 2026/0071560 A1Cummins Inc.
- Valve actuation system comprising a discrete lost motion device25 Dec 2025US 2025/0389211 A1Cummins Inc.
- Variable displacement valvetrain systems with rocker shaft porting and insert sleeves for engine cylinder deactivation18 Dec 2025US 2025/0382903 A1GM Global Technology Operations LLC
Most cited
By later US patents
- System and method for synchronously activating cylinders within a variable displacement engine76US 5,408,966 AFord Motor Company · 1995
- System and method for reducing vehicle acceleration during engine transitions49US 7,426,915 B2Ford Global Technologies, LLC · 2008
- Custom VVA rocker arms for left hand and right hand orientations39US 9,194,261 B2Eaton Corporation · 2015
- Method and apparatus for monitoring a valve deactivator on a variable displacement engine30US 5,721,375 AFord Global Technologies, LLC · 1998
- Custom VVA rocker arms for left hand and right hand orientations27US 9,664,075 B2Eaton Corporation · 2017