F02D 2041/1409
Using at least a proportional, integral or derivative controller
Official title: {using at least a proportional, integral or derivative controller}
F02D2041/1409 (Using at least a proportional, integral or derivative controller) appears on 579 US grants and 377 published applications in this corpus.
Search patents in F02D- Granted patents
- 579
- Published applications
- 377
- Assignees
- 170
- Inventors
- 1,109
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 1 | 0 |
| 1995 | 9 | 0 |
| 1996 | 13 | 0 |
| 1997 | 24 | 0 |
| 1998 | 32 | 0 |
| 1999 | 25 | 0 |
| 2000 | 27 | 0 |
| 2001 | 41 | 9 |
| 2002 | 21 | 21 |
| 2003 | 27 | 15 |
| 2004 | 12 | 24 |
| 2005 | 22 | 12 |
| 2006 | 19 | 20 |
| 2007 | 19 | 21 |
| 2008 | 12 | 18 |
| 2009 | 14 | 21 |
| 2010 | 14 | 16 |
| 2011 | 13 | 24 |
| 2012 | 13 | 10 |
| 2013 | 15 | 16 |
| 2014 | 16 | 21 |
| 2015 | 19 | 15 |
| 2016 | 13 | 15 |
| 2017 | 22 | 29 |
| 2018 | 26 | 17 |
| 2019 | 26 | 7 |
| 2020 | 9 | 11 |
| 2021 | 9 | 5 |
| 2022 | 7 | 12 |
| 2023 | 11 | 4 |
| 2024 | 5 | 3 |
| 2025 | 5 | 6 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Compensation controller for controlling the boost pressure for charged internal combustion engines14 Oct 2025US 12,442,342 B2Bayerische Motoren Werke Aktiengesellschaft
- Systems and methods for coordinating an air blend valve with an intake air heater14 Oct 2025US 12,442,352 B1Saudi Arabian Oil Company
- Engine control device, engine control system, and engine control program5 Aug 2025US 12,378,928 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Method for controlling an electrically supported exhaust gas turbocharger1 Apr 2025US 12,264,683 B2Robert Bosch GmbH
- Duty cycle control for metering valve30 Apr 2026US 2026/0117723 A1Caterpillar Inc.
- Engine control system and methods16 Apr 2026US 2026/0104015 A1Innio Waukesha Gas Engines Inc.
- Engine control system and methods16 Apr 2026US 2026/0104016 A1Innio Jenbacher GmbH & Co OG
- Hot surface igniter temperature control system and method26 Mar 2026US 2026/0086587 A1Chongqing Le-Mark Technology Co
- Liquid injection system, liquid injected engine system and method of controlling a liquid injection system29 Jan 2026US 2026/0028950 A1Cummins Power Generation Inc.
Most cited
By later US patents
- 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
- Control method for engine having multiple control devices58US 6,219,611 B1Ford Global Technologies, LLC · 2001
- Emission control in an automotive engine56US 6,360,159 B1Cummins Inc. · 2002