F02D 31/005
By controlling a throttle by-pass
Official title: {by controlling a throttle by-pass}
F02D31/005 (By controlling a throttle by-pass) appears on 370 US grants and 72 published applications in this corpus.
Search patents in F02D- Granted patents
- 370
- Published applications
- 72
- Assignees
- 74
- Inventors
- 546
- Latest grant
- 16 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 10 | 0 |
| 1983 | 24 | 0 |
| 1984 | 24 | 0 |
| 1985 | 22 | 0 |
| 1986 | 17 | 0 |
| 1987 | 19 | 0 |
| 1988 | 16 | 0 |
| 1989 | 18 | 0 |
| 1990 | 15 | 0 |
| 1991 | 17 | 0 |
| 1992 | 16 | 0 |
| 1993 | 15 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 15 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 15 | 0 |
| 2001 | 4 | 4 |
| 2002 | 8 | 4 |
| 2003 | 5 | 7 |
| 2004 | 9 | 7 |
| 2005 | 7 | 6 |
| 2006 | 8 | 5 |
| 2007 | 5 | 2 |
| 2008 | 3 | 4 |
| 2009 | 1 | 5 |
| 2010 | 4 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 2 |
| 2015 | 3 | 3 |
| 2016 | 2 | 6 |
| 2017 | 6 | 1 |
| 2018 | 6 | 2 |
| 2019 | 1 | 3 |
| 2020 | 3 | 2 |
| 2021 | 2 | 2 |
| 2022 | 0 | 0 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Spark ignition type engine29 Jun 2023US 2023/0203996 A1Kubota Corporation
- Spark ignition type engine29 Jun 2023US 2023/0203997 A1Kubota Corporation
- Cross-Port Air Flow To Reduce Pumping Losses11 Nov 2021US 2021/0348548 A1Bright Acceleration Technologies LLC
- Engine drive system14 Jan 2021US 2021/0010435 A1Mahle Electric Drives Japan Corporation
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Most cited
By later US patents
- Method for controlling air-fuel ratio in internal combustion engine69US 6,012,428 AHonda Giken Kogyo Kabushiki Kaisha · 2000
- System and method for controlling air-fuel ratio in internal combustion engine68US 5,803,048 AHonda Giken Kogyo Kabushiki Kaisha · 1998
- Cold start engine control apparatus and method59US 5,894,832 AHitachi America, Ltd., Research and Development Division · 1999
- Control for marine propulsion57US 6,015,319 ASanshin Kogyo Kabushiki Kaisha · 2000
- Warming-up system for warming up an engine for an automotive vehicle54US 5,293,741 AMazda Motor Corporation · 1994