F02D 2400/04
Two-stroke combustion engines with electronic control
F02D2400/04 (Two-stroke combustion engines with electronic control) appears on 381 US grants and 190 published applications in this corpus.
Search patents in F02D- Granted patents
- 381
- Published applications
- 190
- Assignees
- 124
- Inventors
- 558
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 25 | 0 |
| 1991 | 24 | 0 |
| 1992 | 22 | 0 |
| 1993 | 25 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 17 | 0 |
| 1998 | 22 | 0 |
| 1999 | 8 | 0 |
| 2000 | 11 | 0 |
| 2001 | 6 | 2 |
| 2002 | 10 | 5 |
| 2003 | 9 | 11 |
| 2004 | 5 | 1 |
| 2005 | 5 | 4 |
| 2006 | 3 | 4 |
| 2007 | 3 | 2 |
| 2008 | 2 | 5 |
| 2009 | 4 | 8 |
| 2010 | 2 | 7 |
| 2011 | 8 | 7 |
| 2012 | 10 | 7 |
| 2013 | 1 | 6 |
| 2014 | 5 | 9 |
| 2015 | 3 | 11 |
| 2016 | 6 | 6 |
| 2017 | 9 | 11 |
| 2018 | 6 | 10 |
| 2019 | 13 | 16 |
| 2020 | 16 | 12 |
| 2021 | 10 | 11 |
| 2022 | 7 | 9 |
| 2023 | 14 | 9 |
| 2024 | 10 | 5 |
| 2025 | 4 | 6 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combustion abnormality monitoring device for two-stroke engine16 Jun 2026US 12,655,809 B2Kawasaki Motors, Ltd.
- Easy engine starting system17 Mar 2026US 12,577,929 B2Oppama Industry Co., Ltd.
- Multi-port exhaust valve17 Feb 2026US 12,553,402 B2Arctic Cat Inc.
- Engine control system and methods25 Nov 2025US 12,480,455 B2Arctic Cat Inc.
- Location-based modification of two-stroke engine calibration4 Nov 2025US 12,460,597 B2Polaris Industries Inc.
- Method of restricting rotational speed of an engine of a handheld power tool, control arrangement, and handheld power tool16 Jul 2026US 2026/0201845 A1Husqvarna AB
- Engine control system and methods19 Mar 2026US 2026/0078710 A1Arctic Cat Inc.
- Electrically controlled throttle valve5 Mar 2026US 2026/0063218 A1Husqvarna AB
- Location-based modification of two-stroke engine calibration26 Feb 2026US 2026/0055739 A1Polaris Industries Inc.
- Two-stroke engine assembly having a catalytic converter and method for controlling same8 Jan 2026US 2026/0009364 A1Bombardier Recreational Products Inc.
Most cited
By later US patents
- Control system for two cycle direct injection engine and the method thereof165US 6,158,411 AFuji Jukogyo Kabushiki Kaisha · 2000
- Operation control system for internal combustion engine138US 4,993,386 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1991
- Vehicle management computer113US 5,284,116 ANorth American Philips Corporation · 1994
- Vehicle management computer106US 5,123,397 ANorth American Philips Corporation · 1992
- Internal combustion engine102US 4,805,571 AHumphrey Cycle Engine Partners, L.P. · 1989