F02D 2041/1418
Several control loops, either as alternatives or simultaneous
Official title: {Several control loops, either as alternatives or simultaneous}
F02D2041/1418 (Several control loops, either as alternatives or simultaneous) appears on 320 US grants and 219 published applications in this corpus.
Search patents in F02D- Granted patents
- 320
- Published applications
- 219
- Assignees
- 90
- Inventors
- 575
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 15 | 0 |
| 1998 | 22 | 0 |
| 1999 | 17 | 0 |
| 2000 | 17 | 0 |
| 2001 | 11 | 4 |
| 2002 | 14 | 12 |
| 2003 | 7 | 5 |
| 2004 | 7 | 10 |
| 2005 | 7 | 8 |
| 2006 | 17 | 13 |
| 2007 | 11 | 15 |
| 2008 | 6 | 13 |
| 2009 | 6 | 10 |
| 2010 | 13 | 16 |
| 2011 | 10 | 16 |
| 2012 | 14 | 11 |
| 2013 | 16 | 4 |
| 2014 | 10 | 12 |
| 2015 | 5 | 17 |
| 2016 | 11 | 11 |
| 2017 | 12 | 7 |
| 2018 | 12 | 5 |
| 2019 | 7 | 6 |
| 2020 | 7 | 5 |
| 2021 | 9 | 3 |
| 2022 | 3 | 3 |
| 2023 | 4 | 1 |
| 2024 | 1 | 6 |
| 2025 | 4 | 3 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for coordinating an air blend valve with an intake air heater14 Oct 2025US 12,442,352 B1Saudi Arabian Oil Company
- Closed-loop control device for closed-loop control of a power assembly including an internal combustion engine and a generator having an operative drive connection to the internal combustion engine, closed-loop control arrangement having such a closed-loop control device, power assembly and method for closed-loop control of a power assembly2 Sep 2025US 12,407,283 B2Rolls-Royce Solutions GmbH
- Closed-loop control device for closed-loop control of a power assembly including an internal combustion engine and a generator having an operative drive connection to the internal combustion engine, closed-loop control arrangement having such a closed-loop control device, power assembly and method for closed-loop control of a power assembly13 May 2025US 12,297,788 B2Rolls-Royce Solutions GmbH
- Closed-loop control device for closed-loop control of a power assembly including an internal combustion engine and a generator having an operative drive connection to the internal combustion engine, closed-loop control arrangement having such a closed-loop control device, power assembly and method for closed-loop control of a power assembly8 Apr 2025US 12,270,353 B2Rolls-Royce Solutions GmbH
- Method and system for controlling a free piston mover20 Aug 2024US 12,068,704 B2Libertine FPE Ltd
- State identification device26 Mar 2026US 2026/0087861 A1Yamaha Hatsudoki Kabushiki Kaisha
- Methods and systems to compensate for oxygen sensor bias12 Feb 2026US 2026/0043367 A1Ford Global Technologies, LLC
- Feedback fuel control for dual path exhaust system5 Feb 2026US 2026/0036098 A1Ford Global Technologies, LLC
- Closed-loop control device for closed-loop control of a power assembly including an internal combustion engine and a generator having an operative drive connection to the internal combustion engine, closed-loop control arrangement having such a closed-loop control device, power assembly and method for closed-loop control of a power assembly13 Nov 2025US 2025/0350219 A1Rolls-Royce Solutions GmbH
- Internal combustion engine, arrangement, method and computer program product23 Oct 2025US 2025/0327429 A1
Most cited
By later US patents
- System and method for servo control of nonlinear electromagnetic actuators139US 6,208,497 B1Venture Scientifics, LLC · 2001
- Control method for turbocharged diesel engines having exhaust gas recirculation99US 6,035,640 AFord Global Technologies, LLC · 2000
- System for intelligent control of an engine based on soft computing78US 6,216,083 B1Yamaha Motor Co., Ltd. · 2001
- Air/fuel ratio estimation system for internal combustion engine68US 5,548,514 AHonda Giken Kogyo Kabushiki Kaisha · 1996
- Model predictive control for HPI closed-loop fuel pressure control system59US 5,609,136 ACummins Engine Company, Inc. · 1997