F01L 2201/00
Electronic control systems
Official title: Electronic control systems; Apparatus or methods therefor
F01L2201/00 (Electronic control systems) appears on 359 US grants and 214 published applications in this corpus.
Search patents in F01L- Granted patents
- 359
- Published applications
- 214
- Assignees
- 113
- Inventors
- 673
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 19 | 0 |
| 1998 | 8 | 0 |
| 1999 | 13 | 0 |
| 2000 | 22 | 0 |
| 2001 | 24 | 14 |
| 2002 | 25 | 22 |
| 2003 | 29 | 5 |
| 2004 | 10 | 19 |
| 2005 | 13 | 11 |
| 2006 | 14 | 7 |
| 2007 | 7 | 7 |
| 2008 | 3 | 2 |
| 2009 | 3 | 4 |
| 2010 | 1 | 1 |
| 2011 | 3 | 6 |
| 2012 | 1 | 1 |
| 2013 | 2 | 0 |
| 2014 | 4 | 2 |
| 2015 | 2 | 2 |
| 2016 | 0 | 11 |
| 2017 | 10 | 18 |
| 2018 | 12 | 11 |
| 2019 | 21 | 21 |
| 2020 | 17 | 19 |
| 2021 | 14 | 9 |
| 2022 | 13 | 13 |
| 2023 | 7 | 5 |
| 2024 | 10 | 1 |
| 2025 | 5 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Internal combustion engine and method for operating an internal combustion engine16 Dec 2025US 12,497,930 B2Schaeffler Technologies AG & Co. KG
- Control device and control method for variable valve timing mechanism29 Jul 2025US 12,372,015 B2Hitachi Astemo, Ltd.
- Two-step cam controlled exhaust valve deactivation to operate a divided exhaust boost system24 Jun 2025US 12,338,752 B2Saudi Arabian Oil Company
- Multi-cylinder internal combustion engine, with cylinders equipped with intake valve variable actuation systems having hydraulic circuits which cross each other11 Mar 2025US 12,247,502 B2C. R. F. Societa Consortile per Azioni
- System and method for determining position of axial cam shifting system11 Feb 2025US 12,221,911 B1Fca US LLC
- Cylinder deactivation system25 Jun 2026US 2026/0176991 A1
- Internal combustion engine and method for operating an internal combustion engine20 Feb 2025US 2025/0059929 A1Schaeffler Technologies AG & Co. KG
- Multi-cylinder internal combustion engine, with cylinders equipped with intake valve variable actuation systems having hydraulic circuits which cross each other16 Jan 2025US 2025/0020072 A1C. R. F. Societa Consortile per Azioni
- Two-step cam controlled exhaust valve deactivation to operate a divided exhaust boost system30 May 2024US 2024/0175380 A1Aramco Services Company
- Systems and Methods for Backlash Compensation in Cam Phasing Systems3 Aug 2023US 2023/0243281 A1HUSCO Automotive Holdings LLC
Most cited
By later US patents
- System for regulating valve timing of internal combustion engine93US 5,924,395 AToyota Jidosha Kabushiki Kaisha · 1999
- Apparatus for controlling multi-cylinder internal combustion engine with partial cylinder switching-off mechanism82US 6,138,636 AHonda Giken Kogyo Kabushiki Kaisha · 2000
- Method of controlling internal combustion engine81US 6,039,026 AHitachi, Ltd. · 2000
- Valve timing control device for an internal combustion engine70US 6,109,225 AToyota Jidosha Kabushiki Kaisha · 2000
- Control system for an internal combustion engine66US 5,201,296 ACaterpillar Inc. · 1993